I agree that death costs should be increased, but the 2 min death timer is outdated. It made sense back when your BIS costs were a few mil a piece, but an unfortunate death could cost you well over a bil now.
normal spellbook has tp to house which is objectively the most useful teleport in the game.
lunars is really nice for training, theres a variety of methods so you can choose how much afk, profit/loss, and xp/hr you want.