Needing a car bad - $4,000 (Roanoke/Salem)

I am in need of a car very bad.
I have a good Job and could pay 400 to 500 a month.
I get [aid every 2 weeks.
We can do a legal contract if you prefer too.
I just need some help.
I have bad credit due to my X husband and have 2 kids.
If this sounds like something you may be able to help with please let me know.
Just in a bad place and need a little help from somewhere please.
Looks doesn't matter to me as long as it runs good.