Should I buy a house, no down payment?

Me and my husband are tired of renting, however we do not have any money saved up to put a down payment on a house. We are currently renting a mobile home with a yard, it's not bad but we want a real home and we want to save money and pay less on rent, we pay about $1,100/month in rent. We pay the bills just fine too. However we have trouble saving up. I have heard that you can purchase a house and get a loan without a down payment. I also know that some mortgage payments can be much less then $1100, so would it be a good idea to purchase a house to help save money?

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