25 practical automations

Business utilities

Make inventory, expenses, and office work simpler. Each guide includes full code, usage instructions, and ideas for making it your own.

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PythonBeginner

Age outstanding invoices

Bucket outstanding balances by days past their due dates relative to an explicit date.

Business utilities
PythonBeginner

Calculate invoice line totals

Calculate invoice subtotals from quantity, unit price, and explicit line discount percentages.

Business utilities
PythonBeginner

Calculate project time costs

Calculate recorded time value using each row’s explicit project rate and billable flag.

Business utilities
PythonBeginner

Compare discount scenarios

Show how explicit discount percentages affect unit contribution and total gross profit.

Business utilities
PythonBeginner

Estimate break-even units

Calculate units needed to cover supplied fixed costs from positive unit contribution.

Business utilities
PythonBeginner

Estimate stock coverage

Estimate remaining stock days from each product’s user-supplied daily usage.

Business utilities
PythonBeginner

Find invoice sequence gaps

Report missing integer sequence numbers between the minimum and maximum supplied numbers.

Business utilities
PythonBeginner

Reconcile invoice payments

Compare invoice amounts with payments linked by invoice ID and flag unmatched payment IDs.

Business utilities
PythonBeginner

Summarize stock movements

Add signed quantity changes per SKU and flag negative running balances.

Business utilities
PythonBeginner

Value an inventory snapshot

Multiply each product quantity by its supplied unit cost and total the result.

Business utilities