Yes, 90% of the time your rank last season determines your rank the next season. You can get placed higher or lower, but it’ll usually be around the same as the previous season.
Yep. Made the mistake of playinng comp at 25 got thrown into bronze and I've never made it out because I got hit with a wave of gm boosters on the enemy team or trolls and leavers on mine. I know when I mess up and I try to fix things but,i can only do my best lol