While the FHA allows for you to provide a Lender with an "alternate" credit profile---reference letters from utilities, cellphone providers, furniture stores and such---the reality of today's market is that Lenders want a credit score and a credit history containing at least 2 accounts open and active for twelve months or longer.
In short, you'll need to build a credit profile and obtain a credit score so you can buy a home in the future.
I have found that CONSUMER ACTION is an excellent resource for objective advice on all things credit related. You'll find free and sincere advice on everything from settling collection accounts to rebuilding credit to building credit from scratch on their website. http://consumer-action.org/
The best way to buy a home is to have a decent credit history combined with sufficient Income and Assets for a home purchase.
The best way to have a decent credit history is to settle negative outstanding obligations and pay all your bills on time for at least two years.