Worked examples / Customers: sign-up, checkout and fees
A four-step sign-up. 2,000 people start it each month and 15% are fake or spam accounts.

Stopping after step 2 would leave you $1,268 a month better off.
This is a worked example with illustrative figures, not data about any real person or company. Change any of them in the calculator and the answer changes with them.
How this answer was worked out| Step 1 | costs $2,650, gets back $9,000: +$6,350 |
| Step 2 | costs $2,511, gets back $4,500: +$1,989 |
| Step 3 | costs $2,382, gets back $2,250: -$132 |
| Step 4 | costs $2,261, gets back $1,125: -$1,136 |
Every formula is written out on the formulas page.
What the calculator asks you
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