Library
Operator library
For ecommerce operators who run merchant accounts, ads, and subscriptions — type your numbers, see the cash and the risk.
- Is this merchant account about to trip?Chargeback rate vs the line in your agreement.
- What can I actually bid?Max CAC from settled contribution, not ad-account ROAS.
- Did this week make money?Contribution after COGS, ads, ship, fees, refunds.
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For operators who have to keep a merchant account alive and know what cash is real.
Start with one of the three jobs above, or pick a topic below. Calculators live on the topic page. Hire is Services — not mixed into the how-tos.
Topics
| Topic | On that page | Status |
|---|---|---|
| Chargebacks See if this account is inside the chargeback line in your agreement. | Chargeback rate | Ready |
| MIDs Look up the MCC. Ask the processor in writing before you sign. | MCC lookup | Ready |
| Traffic A bid cap from cash left after COGS, refunds, and fees. | Max CAC | Ready |
| Subscriptions Cash from rebills that approve, plus retry rules that do not trash the account. | Rebill CAC | Ready |
| KPIs One week: did contribution go up or down? | Scorecard | Ready |
| Payments Read the processing agreement. Type each fee. Reserve is a hold. | MPA waterfall | Ready |
| Payment orchestration First-try vs net vs unique billing on the same order set. | First vs net | Ready |
| Refunds A refund and a chargeback can both debit the same ticket. | Refund then chargeback | Ready |
| Stock / inventory Factory invoice is not cost. Build landed cost, then cut ads before you stock out. | Landed cost | Ready |
Guide not finished means the calculator still runs. The written how-to is not done.