If you prefer to host your own lobby, enable the Single Player to load. From right here, pause your game and scroll over to the "Online" tab.
You do not have to evade the Wanted Level for the store to count as "held up", so even if you die it will count as long as you picked up the bag of money. Survival mode, even with 4 players, can be extremely difficult as enemies get stronger with every wave that goes by in terms of both overall health and weaponry, though their A.I behaviour and numbers do not alter.
https://martyrdeans.tumblr.com/post/625398692309041152/gta-5-online-money-methods-generator