If you do encounter a clog, dont panic. Clogs and slow drains most commonly occur in areas that can be easily cleared on your own without the help of a pro (if more than one drain or toilet is affected, you will need to contact a plumber). First, try a plunger. www.repair-home.com/Using_a_Snake , has easy to follow instructions for the use of a pipe-snake. There is also the option of using chemical clog removers. Be sure to follow the package instructions when using them.
Leaks can be slowed or stopped until youre able to get a plumber out to your home by following the steps on this article: www.ehow.com/how_2329_repair-leaky-pipes.html . Please keep in mind that this is a temporary measure only, but it will help prevent water damage until your plumber fixes the problem.