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Demo · Opportunities

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Purchase decision · demo-o04Ready to buySample

PS5 Pro console bundle × 22

Price-error monitor · electronics · ebay

Demo decision timing

Due on demo day

2026-09-01

Check the numbers

Edit assumptions

Use the best information you have today. Leave unknown values blank instead of guessing.

Enter a nonnegative USD amount with up to two decimal places, such as 125.50 or 1,000.
$
$

Changing any number updates both outcomes, the recommendation, the highest safe unit cost, and the quantity that fits your buying power.

Expected outcome

Using the expected sale price you entered

$2,625.16

deal profit

Gross sales
$18,480.00
Profit margin
16.4%
Show advanced return measures
Return on cost
19.9%
Annualized estimate
303.3%
Money × days
316,004

Lower-price outcome

Using your lower sale price—not a statistical prediction

$383.35

deal profit

Gross sales
$15,892.80
Profit margin
2.8%
Show advanced return measures
Return on cost
2.9%
Annualized estimate
44.3%
Money × days
316,004

Buying rules · set 4

See how every rule was checked

7 required checks · open for the full calculation

Total cost fits your buying power

Required rule

$13,166.84

this purchase

$75,000.00

your limit

Credit needed fits available credit

Required rule

$13,166.84

this purchase

$22,800.00

your limit

Minimum expected deal profit

Required rule

$2,625.16

this purchase

$150.00

your limit

Minimum expected margin

Required rule

16.4%

this purchase

12%

your limit

Maximum lower-price loss

Required rule

$0.00

this purchase

$1,200.00

your limit

Maximum share in one purchase

Required rule

9.9%

this purchase

12%

your limit

electronics inventory concentration limit

Required rule

22.5%

this purchase

35%

your limit

Price evidence

Recorded input

Price-error monitor observed sales

Checked 3 days ago · high confidence