Buying a bike

A continuation to this post. I decided I would get a used bike from a local bike shop. I talked to one of the employees there and he offered me some interesting options. I felt a bit more sure of myself, I had watched a lot of bike videos and at least knew what mechanical disc brakes were, for example. I was still undecided about it, and I kept asking random stuff, what are the types of bikes they sell, what are the price ranges they have, what sizing would fit me better, etc. The guy was very patient with me. I spent a long while standing there saying absolutely nothing, just looking at the options, researching whatever models I could recognize on my phone while they just waited for me to make my choice. I even asked to the guy for opinions on the online-only brands I mentioned in my last post. During my decision paralysis, plenty of clients showed up, some adults who wanted a basic service check, others showed up with their kids, with a flat tire or faulty brakes. When I looked at…