If you are on the fence about Gamepass this is a pretty good deal. $29.99 for a 6-month sub.
Can be combined with the $1 one month Sub currently on the Xbox store and if you click auto renew when you activiate the code it gives you an extra free month.
thats an 8 month sub for $31. Not bad. Forza Horizon 4, Gears 5, Crackdown 3 for basically $3.80 a month.
edit: Just found out that the codes stack so you can actually buy say two and get a year or more for half price! Not bad.
edit2: US region locked codes