Unpopular take: those $500+ diagnostic tools aren't worth it for small shops
I was in a Facebook group for HVAC techs last week and someone was swearing by that Snap-On Zeus, saying it's the only way to go. But honestly, for my one-man computer repair side gig in Phoenix, my $80 used ThinkPad with a generic USB multi-meter does everything I need for simple board-level fixes. Half the time those expensive tools give you data you don't even need, you know? Anyone else running a small shop with cheap gear and getting by just fine?