House rules
Four rules for every issue.
They hold for every issue since the first.
No sponsors
Paid readers fund the letter. No issue carries an advertisement.
No affiliate links
A tool named in an issue earns Sidework nothing.
Numbers worked
Every price and tax figure shows its arithmetic, so you can redo it with yours.
Corrections on top
A mistake is corrected at the top of the issue, with the date it was fixed.