turn down for loan

i applied for a loan with boa,my credit was good and i had the down payment,they dragged it on for months,untill,they found a problem then turned me down for a loan,the mortgage was only 390 a month,which i had at least 4 times over,i moved my furniture into this house and moved in myself,until,they wanted a former bill paid,the owner of the house almost attacked me,i was so scared i could not stay there to be turn down again.now im in a trailer in nj.this was west virginia