BMO offers various mortgage options including fixed, variable, smart fixed, open, closed, and convertible mortgages with rates around 3.99% to 4.14% for fixed terms. Smart fixed mortgages have lower rates but stricter prepayment rules. BMO provides up to $5,000 cashback with new mortgages and accounts. Preapproval requires financial documents and credit criteria. Rate holds last 130 days. Borrowers with strong credit and low debt get better rates.