Crazy sizing

I just had the gastric sleeve procedure done on the 9th. About a month before the procedure, I bought a bunch of t-shirts in size 1 as a transition size / reward to myself. I normally wear a size 2 so I figured I'd have a few to transition into as I started getting smaller. My delivery shows up and I can wear most of the shirts already! After seeing this and hearing of how the sizing is all out of whack now, I want to order a few things for the coming months. Is everything else getting sized crazy like the t-shirts? I normally wear a 2 in most everything with maybe a 3 in bottoms if they're snug. I want to get a few things as rewards but I don't want to end up in the same boat where I can already wear them when they come in. The reviews on the items give some help but not as much as expected. Just curious if this is a t-shirt fluke or across the board. I never thought I'd see the day when I could wear a new relaxed fit tee in a size 0 when I have an old 2 in my closet that's still snug!