Ask for prices for several blocking periods: 30, 45 or 60 days. Any duration of more than 60 days will be expensive, so it might be wiser to wait until you approach the conclusion and check again. SECTION 2. OUR REMUNERATION. Lenders whose mortgage broker markets credit products generally make their credit products available to the mortgage broker at a reduced rate. When a borrower sets an interest rate for a mortgage, it should be mandatory for both the borrower and the lender. The interest rate is suspended for the period from the offer of the loan to the conclusion of it. .