> repayment to stay the same You mean the repayment amount? I'm not sure what you're asking. Of the lump sum price (principal), interest rate, loan term (tim

> repayment to stay the same You mean the repayment amount? I'm not sure what you're asking. Of the lump sum price (principal), interest rate, loan term (time), and monthly payment, you can only change three of the four, for a fixed rate loan. The fourth is defined by the combination of the others.