Ignore his advices number 3 and 6. All the others are good ones.
Crafting and Blacksmith recipes have a max level of 5, so any point beyond 5 is useless, however if you have bonuses from equipment, you can get away with a lower level of crafting/blacksmith.
Henchmen have been modified this patch and are no longer being automatically upgraded to your level when you dismiss and rehire.
