If there is a big difference between the initial interest rate and the APR listed in the ad, it may mean that there are high fees associated with the loan.
Use a mortgage broker. A mortgage broker will show you mortgage products from different banks and mortgage providers. Pick a mortgage broker carefully. If the broker works directly for a company that offers financial products, make sure he shows you clearly why one of these products is better. Mortgage brokers also get a commission on their sales. Find out what the broker's services include and if he charges any fees. Many brokers do not charge fees beyond their commission. Also check the broker's credentials.
Many people with poor credit history look to take out loans from friends and family. While this may be a fairly good short term solution, it might not be the smartest of long term business moves. What you need to do is refinance your mortgage and lower your payment. The best thing you can do for yourself is to shop around. I'd be willing to bet that some banks will give you a better deal on a mortgage refinancing than you think they would. Find out who's got the best rate to get the best deal on your loan. This might take a little legwork, but it could pay off. Finding that right bank to give you the right deal on your refinancing will be worth the effort.
Before you refinance a loan, make sure that you carefully analyze any fees that your lender is including on the loan. The Department of Housing and Urban Development can provide you with a list of standard fees. Use it to make sure that your lender isn't tacking on anything extravagant. And by all means, compare their fees with other lenders in the market.