When and how should I pay the savings for the down payment?

Can I make advance payments on my mortgage? What happens if I can't make my monthly payment for the mortgage? Is it possible to get discounts on a mortgage? Where can I check my mortgages? How can I check the status of my current mortgage application? How is the interest rate set for a mortgage? How can I find out whether the property has an energy certificate? How can I find out if the property has any outstanding debts? How can I send the documentation for my mortgage application? What documents do I need to apply for a mortgage? Why do I need to open an account with imagin to get a mortgage? What are the steps to take out a mortgage? What monthly mortgage payment can I afford? How much do I need to have saved to make the down payment on my mortgage? How can I apply for a mortgage?