you can also use bug hack house buy a house smash the door mount 2 trophys in the house and then sell it walk in take trophys and buy and then do that all over again! you can gain a million if you patient.
How to get much exp quick: go to cliffside path lychfield there and kill undead with soa and you get 500 exp per undead they die on 1 hit. and if youare playing tlc max enflame and use it instead of soa

I always use the trick with buying houses myself, although it requires a lot of money to begin with. And you won't want to buy the taverns, as they really don't pay that good on rent.