I’m entering 40s and this doesn’t sound normal to me. Get a second opinion if your doctor is writing it off. Don’t get me wrong, as I got older my joints are sore and pop in the morning. My back can’t handle some sports I used to enjoy. You’re too young to be struggling with jars and shoes in my completely uninformed nonprofessional opinion.
The easiest approach would likely be “scouting” on behalf of an associate, perhaps they couldn’t make it and sent you. Take lots of pictures for your associate, and you’re not personally involved with the purchase makes it easier to handwave questions.
If you insist on pretending to be rich keep discussion light, talk about potential renovations, take pictures to send to your designer. Ask about the history of the home, dig for unique characteristics. Inquire about the area and what kind of “crowds” to expect. Don’t dress too fancy, don’t pull up in a 09 civic (park around the block and walk), and if they ask, you made a small fortune trading crypto.