Hello minibeefy, welcome to the forums. I agree witht he above, sounds like it is time for new bottom bracket and cranks. however, when you say the pedals fall off, do mean the crankarms yes?
__________________
“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk