The part about your neighbor's 2008 packet saying most hybrids don't come true is what got me, because I never even thought about seed age being a thing. Three different tomato shapes off one plant is wild though, that means your Roma was probably a hybrid all along and the seeds split back into whatever its parents were. That salsa must have been a real guessing game every bite.

Did a 40 door job in Tulsa last spring and ran into the same loose block thing about 8 months in. Turned out it wasn't the blocks themselves, it was me not seating them all the way. The lever on those Wago style ones has to click twice or it feels tight but isn't. Once I started giving each one a good tug after, no callbacks. I still keep screws on exterior doors though, the temp swings out there seem to work things loose faster. Inside doors get the plug-ins every time now.

Those OptiPlex towers are solid little machines but the 500GB drive and 8GB of RAM being "already in it" isn't really a freebie, that's just the normal base setup for those things. Dell shipped like a million of them to offices with that exact config, so it's not like someone hooked you up. Still, $12 for a working tower is a steal no matter how you slice it. My best thrift find was a vintage Pioneer receiver for $8 that sells for $150 on eBay all day.