should i purchase AMR right now or wait for a steam sale?

hii i need help, i really want to play AMR but i JUST missed the steam sale so now id have to wait until like mid december for the next sale 🫩. Its $10.59 right now if i buy it so idkk. also another thing i heard is that if u want alice’s other outfits u have to like go into the files of the game to access them.. does anyone know how to explain that 😅 thanks!