Common problem I come across is kitchen cabinets where the doors have been opened beyond the limit of the hinge and the euro screws have pulled out of the chipboard carcass.
This leaves two gaping holes where each hinge was.
I've been using repair kits for a while, ordered online @ around £5 a set + delivery.
Toolsatan now stock them for £2:20!
These things are the answer to a maidens prayer!