Benjamin Warry
Regular
Depends on what level your f2l is at. One big mistake I made when I was trying to get sub 40 or 30 was that that I couldn't plan out my cross in inspection. Also practice doing your f2l on its own. Before you try to work on lookahead you have to be able to solve a pair without looking at it. 4 look last layer can get you sub 30 quite easily. Also make sure you have ok f2l solutions. Although f2l is intuitive it will become muscle memory. Don't give up like I almost did!