in the game i would like to be able to run and own a shop were i can sell all my wears ive found in my travels. they ability to go fishing, there would be nowt better than kicking back fishing and watching the world go by. also the ability to craft arrows and theives being able to brake into your house.
If you marry, you can RP that your spouse sells stuff for you at his/her shop - they do give you half of their daily profits after all.
As far as I've heard, thieves can break into your house, and they steal only items that have Stolen tag. I haven't experienced it myself though.