Prompt Details
Model
Chat - (gpt-5.6)
Token size
1,550
Example input
[RENTAL LISTING]: 1-bedroom apartment advertised at $1,750/month. 13-month lease. One month free promotion.
[LOCATION]: Austin, Texas.
[MONTHLY INCOME]: $5,500 take-home.
[KNOWN FEES]: $75 application fee, $250 administration fee, $500 refundable deposit, $35/month mandatory valet trash, $20/month package service, $125/month parking.
[OTHER COSTS]: Internet is $55/month. Electricity is paid separately but the amount is unknown. No pets.
Example output
1 — ADVERTISED VS REAL
Advertised Rent: $1,750/month
Known Real Monthly Cost: $1,985/month + electricity
Difference From Advertised Rent: +$235/month + electricity
Move-In Cash Required: Confirmed minimum $825; potentially $2,575+ depending on when rent and monthly charges are collected
First-Year Expense: $22,395–$24,145 + electricity
Effective Monthly Cost: $1,850.38/month + electricity across the 13-month lease if the free month applies only to base rent and all other monthly charges continue
Housing Cost % of Take-Home Income: 36.1% + electricity
Biggest Cost Surprise: The apartment is really at least $235/month more than the advertised rent, before electricity.
Verdict: EXPENSIVE FOR YOUR INCOME
2 — FEE X-RAY
Cost Amount Classification
Base rent $1,750/month MONTHLY MANDATORY
Valet trash $35/month MONTHLY MANDATORY
Package service $20/month MONTHLY MANDATORY
Parking $125/month MONTHLY MANDATORY
Internet $55/month Known recurring cost; whether lease-mandatory is UNCLEAR
Electricity UNKNOWN UNKNOWN
Application fee $75 ONE-TIME NON-REFUNDABLE
Administration fee $250 ONE-TIME NON-REFUNDABLE
Security deposit $500 REFUNDABLE
Pet costs $0 Not applicable — no pets
One month free $1,750 potential base-rent saving TEMPORARY PROMOTION
Known recurring monthly total:
$1,750 + $35 + $20 + $125 + $55
= $1,985/month + electricity
3 — HOW MUCH CASH DO I NEED TO MOVE IN?
Application Fee: $75
Administration Fee: $250
Refundable Deposit: $500
First Month Rent: UNKNOWN at move-in, because the listing does not say which month receives the free-rent promotion.
CONFIRMED MOVE-IN CASH
$75 + $250 + $500 = $825 minimum
If a full $1,750 rent payment is also required before move-in:
$825 + $1,750 = $2,575
UNKNOWN POSSIBLE MOVE-IN COSTS
The listing does not tell us:
whether the free month is the first month, last month, or prorated;
whether $35 trash, $20 package service, and $125 parking are collected before move-in;
when the first $55 internet payment is due;
whether any electricity deposit/setup charge exists;
whether there are other undisclosed move-in/community fees.
The $500 deposit counts toward cash needed, but it is not an expense if fully refunded.
4 — TRUE MONTHLY COST
Normal month:
$1,750 rent
$35 valet trash
$20 package service
$125 parking
$55 internet
= $1,985/month
Plus:
Electricity: UNKNOWN
TRUE KNOWN MONTHLY COST
$1,985 + electricity
Extra known cost above advertised rent:
$1,985 − $1,750 = $235/month
5 — PROMOTION REALITY CHECK
Lease: 13 months
Promotion: 1 month free
Normal Monthly Payment
$1,985 + electricity
Promotional Savings
If "one month free" means one full month of base rent:
$1,750
It is UNKNOWN whether trash, package service, parking, internet, or other charges are also waived during that month.
Base Rent Across 13 Months
Without promotion:
13 × $1,750 = $22,750
With one full base-rent month free:
12 × $1,750 = $21,000
Average base rent:
$21,000 ÷ 13 = $1,615.38/month
If all $235 of known monthly extras continue for all 13 months:
13 × $235 = $3,055
$21,000 + $3,055 = $24,055
$24,055 ÷ 13 = $1,850.38/month + electricity
That $1,850.38 is not the normal monthly bill. It is only the lease-average cost created by spreading the temporary concession over 13 months.
6 — FIRST-YEAR MONEY TEST
Because this is a 13-month lease, the first-year calculation covers the first 12 months.
There is one important unknown: which month is free.
If the free month occurs during months 1–12
Base rent:
11 × $1,750 = $19,250
Known recurring extras:
12 × $235 = $2,820
Non-refundable fees:
$75 + $250 = $325
TRUE FIRST-YEAR EXPENSE
$19,250 + $2,820 + $325
= $22,395 + electricity
If the free month is month 13 instead
12 × $1,750 = $21,000
$21,000 + $2,820 + $325
= $24,145 + electricity
So:
Confirmed first-year range: $22,395–$24,145 + electricity, depending on promotion timing.
Refundable Deposit
$500
Therefore total first-year cash committed could be:
$22,895–$24,645 + electricity
But only $22,395–$24,145 + electricity is expense; the $500 deposit remains refundable.
7 — CAN I ACTUALLY AFFORD IT?
Monthly take-home income:
$5,500
Normal known housing cost:
$1,985 + electricity
Calculation:
$1,985 ÷ $5,500 × 100
= 36.1%
Your budgeting scale says:
35–45% = TIGHT
And electricity will push the true percentage above 36.1%.
MONEY LEFT AFTER HOUSING
$5,500 − $1,985
= $3,515/month
Then electricity must still be deducted.
This does not tell us whether $3,515 is sufficient for food, debt, transportation, insurance, savings, entertainment, and other expenses.
8 — HIDDEN-COST RADAR
CLEARLY DISCLOSED
$1,750 base rent
$35/month valet trash
$20/month package service
$125/month parking
$55/month internet
$75 application fee
$250 administration fee
$500 refundable deposit
electricity paid separately
13-month lease
one-month-free promotion
MENTIONED BUT UNCLEAR
Electricity amount
Which month is free
Whether "free month" means base rent only
Whether monthly fees continue during the free month
Whether internet is landlord-mandated
When the deposit and monthly charges must be paid
MISSING / ASK BEFORE PAYING
UNKNOWN:
water/sewer charges
pest-control fees
amenity/community fees
renter's insurance requirement
utility billing/admin fees
electricity setup/deposit
parking setup fees
late/payment-processing fees
move-out/cleaning charges
deposit deduction rules
renewal rent
renewal fee increases
9 — WHAT HAPPENS AFTER THE PROMO?
The one-month-free concession disappears.
Normal known monthly cost remains:
$1,985 + electricity
Do not budget as though this apartment permanently costs $1,615 in rent or $1,850 total.
At renewal:
Renewal rent: UNKNOWN
Future parking, trash, package, internet, and other fee increases:
UNKNOWN
10 — 7 QUESTIONS BEFORE YOU PAY
“Can you send me a complete written list of every mandatory monthly charge in addition to the $1,750 rent?”
“Exactly how does the one-month-free promotion work—which month is free, and does it cover only base rent or also monthly fees?”
“Are water, sewer, electricity, internet, trash, package service or any other utilities billed separately, and are there any utility administration fees?”
“Is the $125 parking charge mandatory, and are there any additional parking registration, permit or setup fees?”
“What exactly are the conditions for receiving the full $500 security deposit back, and what charges can be deducted from it?”
“Are there any additional application, administration, amenity, community, insurance, move-in or move-out charges that aren't shown in the advertised price?”
“What is the current policy for rent and mandatory-fee increases when this 13-month lease ends?”
11 — FINAL VERDICT
EXPENSIVE FOR YOUR INCOME
Advertised Rent: $1,750/month
Known Real Monthly Cost: $1,985 + electricity
Extra Monthly Cost: $235 + electricity
Move-In Cash: $825 confirmed minimum; potentially $2,575+
First-Year Expense: $22,395–$24,145 + electricity
Effective Cost: $1,850.38/month + electricity across 13 months, if the concession removes one month of base rent only
Housing / Income Ratio: 36.1% minimum → TIGHT
Biggest Hidden or Unclear Cost: Electricity plus the exact terms/timing of the free month
Most Important Question to Ask: “Please give me the exact total I will pay each month—including every mandatory fee—and confirm exactly how the one-month-free concession is applied.”
The key takeaway: this is not really a $1,750/month apartment. Your known normal cost is already $1,985/month before electricity.
Get this prompt + 9 more with SelectFrom $14/mo · Cancel anytimeFrom $14/mo · Cancel anytime
View SelectBy purchasing this prompt, you agree to our terms of service
GPT-5.6
That $1,800 apartment might not really cost $1,800.
Paste any rental listing and uncover the real monthly cost, move-in cash, first-year expense and hidden or unclear fees before you apply.
It separates refundable deposits from real expenses, exposes temporary rent promotions, checks affordability against your take-home income and gives you the exact questions to ask before paying or signing.
...more
Added 4 weeks ago
