well you could just go around slaying dragons sell their bones and scales or you could do stuff for the theives guild or brotherhood you get money for completeing missions plus you can pick up stuff while your doing those also finishing the brotherhood you get 20,000 u have to spend a good portion in refurnishing but if you are trying to get the $100,000 achievment its a nice big payday haha i just did that and i had close to 150,000 and after refurnishing and i bought all the houses you can in all the places you can plus furnished them all main thing is though picking up everything you can thats worth something if you get overweight then you put on clothes to carry more then put on clothes to increase prices of stuff you sell and just sell wait 2 days when they get more money and keep selling plus in riverwood trader you can practically take everything off the wall and sell it back to him