Thanks! I did the intro program, a shorter 15min intermediate program for shoulders/back, and a few free lifts of exercises I was curious about. I'm pretty damn sore just from that at this point lol. I think it'll be a huge improvement in fitness compared to what I was doing before with just dumbbells (and safer).

For the mats, they are just the Amazon basic exercise mat pieces (https://www.amazon.com/gp/product/B0719BBFP2) which are 24 x 24 x 0.5 inches. Cheap way to get a padded flooring and work great. I've been using them the past 2 yrs with no issue in my mini gym of 10 ft x 10ft. It's just the foam squares but I like it because it made it much easier to cut around the odd corners of the room. Cheers!