Maintaining a positive balance between income and debt levels is strenuous for most people. At the rate with which home equity loans and credit lines are selling, it's easy to see that a lot of homeowners have succumbed to second lines in order to cover their bills. Some borrowers have taken advantage of loopholes in credit checks to sell their houses for more than what they're worth. With an 80 20 mortgage loan, you get a "piggyback loan" or second mortgage loan that is used to back up the first mortgage. The first mortgage is comprised of 80 percent of the home's price. The second loan is only for 20 percent minus the down payment. 80 20 Mortgage Loans - Second Mortgage spells higher rates In most cases, the interest rate of the second loan of an 80 20 mortgage loan is higher that first. Bank mortgage rate money may come from deposits at banks and brokerages. Most bank mortgage rate money comes from investors who comprise the collective term, "capital markets." These capital markets are where the purchase of debt instruments like bonds and bank rate mortgages are done. To attract investors, sellers of bank rate mortgages and bonds in these capital markets compete with one another. Fixed rate mortgage loans are characterized by fixed rates and monthly payments that are generally for a 15-year and 30-year periods. Fixed rate mortgages are popular in the consumer market because of its stability. Most consumers are hesitant to get house loans where the rates fluctuate with the changing interest rates of the market. But as far as details are concerned, amortization mortgages just escape those who don't have a solid financial education background. Amortization Mortgages: What the experts say According to Philip Russel, assistant professor of finance at Philadelphia University, an amortization mortgage is "the systemic payment plan - such as a monthly payment - so that your loan is paid off over the specified loan period. With a bad credit mortgage loan though, that would never happen. Bad credit mortgage loans allow the borrower to get their loans even with a bad credit report. So how does bad credit mortgage loans work? Well, usually when you apply for a loan, you would have to undergo a pre-qualifying process. This process involves digging into your finances, your income, assets and liabilities, the whole gamut.