I dove into CGMs a little bit about a year ago, mostly just for fun. Yes, I paid money to some online prescription mill for CGMs (Abbott Freestyle Libre 3, IIRC), and then put one in my arm (the applicator is a short syringe section that has the monitor tube threaded into it, so the tube stays in your arm and your skin under the monitor remains broken) for a couple weeks. Just to see how various foods would affect my…
Trying to get it filled and picked up was slightly annoying as the pharmacy initially did not want to fill it without some prodding, and I waited a while for them to figure out how to get the promotion billed.