One of the best ways to get mug-bets on your accounts, is to place non-promo bets when dutching sport promos. It essentially hits two birds with one stone. So for instance whenever Promos Paradise dutches with a bookie that DOESN’T have a promo, feel free to switch that to another bookie that you want to place a mug-bet with.
More non-promo bets and mug-multis will be coming to Promos Paradise over the coming weeks, which should also help with your account sustainability.
Another way is with horse racing, you can usually easily back & lay short priced favourites for only a few dollars loss. Make sure there is no promo on that race you want to bet on (check the promos page), then simply watch the back to lay odds around 2-minutes out from jump and you will often get some close matches (back to lay odds).