There are a lot of free resources out there for real estate investors, so novices shouldn't hesitate to read and learn as much as possible. Here are a few good links for new investors:
Real Estate Forms - leases, disclosures, rental applications, and a lot more
Investor's Tutorial - Easy step by step breakdown of the basics of real estate investment
State-Specific Lease Agreements - custom legal language for your state & municipality
Craigslist - free rental listings
About.com - free forums and articles for landlords
Good luck, and remember that you're not alone, there are plenty of other investors willing to talk and help.
-B

My dear friend, the information provided by you is very awesome, I surfed in many sites for finding this but there was no content as you provided here.i appreciate your knowledge and respect also.

Here's an alternative to Craigslist for real estate investing:

REI Free Classifieds