So during the Dark Brotherhood quest line I was tasked with killing the brother of this place, the same one who runs the meat station. Killing him was not a big deal since I never purchased meat from him much less anyone.

After that his brother who sells arrows, somehow knew I killed his brother and treated me like crap. Then all of sudden one day I walk in to purchase arrows and he attacks me. I reloaded a previous save and same thing happened.

I guess he finally decided to kill me after what I did (even though I have no idea how he knows). Oh, I ran outside and the guards took care of him. What svcks is, no one is taking over his job and finding arrows has become a lot more of a pain.

This happened to anyone else?

that is messed up...i always worry about losing merchants...you needo to make various saves so you can always go back,,,iuts hassle to go back sometimes but you might have to...try leaving the area for a few days then coming back.

(Oh its me. For some reason I cannot figure out how to log into my FB account-ugh). Anyways, I tried doing all that and no matter what the same thing happens. I walk in and he attacks me . Oh well. Thanks for your help

He hated me too after I killed his brother, but after I invested 500 gold in his shop we were best buds again.
Which just shows how much family is worth in Skyrim