>You always need to pay for like 40% of the house to start a mortgage anyway What does this mean exactly? Even these days (i.e. post-2008), you can get a loan

>You always need to pay for like 40% of the house to start a mortgage anyway What does this mean exactly? Even these days (i.e. post-2008), you can get a loan on a primary residence with 3% down. Closing costs are comparatively minimal. Where does the other 37% come from?