Three bids, three lifespans, one price gap. The shingle manufacturer sets most of the rules that decide whether a roof lasts, and almost nobody reads them.
The number printed on a roofing bundle is a test result, not a forecast. Three people adjacent to your decision can translate it, and they will usually do it for free.
Ten years ago you hired a person. Now you often hire a dispatcher who hires a person. Here is how to sort the upkeep jobs worth paying for, and who you are really paying.
Small jobs carry almost the same fixed costs as big ones. Here is how hourly, minimum-plus-hourly, and flat-rate pricing each handle that, and which one holds up.