What are some good beer's that come in singles as well as cases or packs?

im looking for some decent yet tasteful beer i can buy in a single glass bottle or a single can the purpose of me buying a single bottle or can is so that i can try it to see if i like it and yes im over 21 but i live with my mom and shes not a beer drinker shes more of a wine drinker there for i dont want to buy a 6 pack or 12 pack of a type of beer unless i know ill like it and drink it because my mom wont drink it at all so what are some good beer's that come in a can i was thinking of trying maybe red dog or heineken i like both lagers and ales but so far the only beer i enjoy is coors lite so please list some decent brews i can buy in a single can or bottle as well as in a case be it a 6 or 12 pack thanks