There are many things to consider before you embark on home refinancing.

I received invoices businesses offering discounts of 1% or 2% for payment within 10 days.

Be aware that "less" is not the same as "teaser rates" you get earlier.

This may mean that you have to say goodbye to the old neighborhood, uprooting your family, and start from scratch, so you must be ready with your mortgage refinancing expected.
Get on the road is more fun than watching the clock tick time in a small apartment. Most companies organize sites that offer comprehensive information on all the services and options.
When you get offers back lenders you need to look at all the information very carefully.