It says in this article on home equity line of credit
This $3.95 Trillion is almost 1/3rd of all Senior's wealth in America. Home equity lines of credit allowed these seniors to own multile properties, as well as create additional monthly incomes. "
how does a home equity line of credit allow them to own multiple properties? it is coz of low interest on 2nd mortgages? or no interest? also, how does it help them make additional monthly incomes?