A MITZVA OPPORTUNITY That Won't Cost You A Penny

Here is a clip of Rav Dovid Zauber ztz"l, a Rav in Tel Aviv who lost his family in the holocaust. He was never zocheh to have children. His yahrtzeit is ד' שבט. 

PLEASE learn mishnayos or something else li-ilui nishmaso.

Here is the story of his life and tzidkus.