Duct tape aka gaffer tape is all you need. 4 or 5 inch strip around the inside hem of your jeans and you're sorted. no more denim bleed and the bottoms won't rip as readily if you like to wear 'em long.
And rips in the crotch of your jeans? Sew some duct tape inside and you're right as rain.
And rips in the crotch of your jeans? Sew some duct tape inside and you're right as rain.
If God gives you lemons you should find a new God