Most estate sale companies end up with a listing site, a card reader and a Sunday night spreadsheet, so the real question is which piece each one is honestly doing.
Nobody shops for estate sale software the way they shop for a box truck. You bought a card reader because the first sale needed one, you started posting to a listing site because that is where the Friday morning crowd looks, and you built a spreadsheet because a daughter in another state wanted to know what her mother's dining set brought. Three years later that stack is the business, and it holds up right until a probate attorney asks for an itemized statement.
These pages set EstateTagSale next to the tools most often already in use on a household job. None of it is a scorecard. It is a fit question: what shape of work each product assumes, and whether your weekends actually look like that. If you run one small sale a quarter with a helper and a clipboard, the honest answer may be that you do not need a catalog and settlement system yet.