u/Fun-Actuary8432

I’ve been looking into the Most recommended robot vacuum options for asthma patients, and I’m trying to figure out what actually makes one better than another. A lot of them mention strong suction and good filtration, but I want to know if that really means less dust in the air, or if it is just another feature that sounds nice on paper. For me, the big thing is how well it handles fine particles, pet dander, and everyday dust without blowing everything around again. I’m also curious about the filter side of it, like how often it needs to be replaced and whether the upkeep becomes annoying after a while. Since I’m in the US and looking at options for 2026, I’d rather find something that is efficient, easy to maintain, and actually useful for someone with asthma instead of just being a regular robot vacuum with fancy wording. Has anyone used one that genuinely made the air or floors feel cleaner?

Been looking at a 2014 BMW 328i, around 95k miles, priced at $12k. Car itself looks clean, drives well, nothing obvious during the test drive.

But here’s what’s bothering me. I’ve gone to see it twice now and both times the engine was already warm when I got there. I asked if I could come early or see it on a cold start and he kind of brushed it off and said the car runs the same either way.

From what I’ve read, these engines can have timing chain noise, rough idle, or other issues that only show up on cold start.

Now I’m wondering if I’m overthinking this or if this is actually a known tactic to hide problems. Everything else about the car seems fine which is why I’m still considering it.