Minimum deposits are more popular now that the online casino industry has matured. People are no longer looking to invest large amounts of money in new online casinos they barely know. Instead, they would prefer to invest in minimum deposit casinos they can deposit as little as $5 to test out the waters with (and hopefully win big prizes too.)
Minimum deposit casinos are especially popular among Australian players. Aussies tend to hedge their bets and try to outsmart the market. They invest in multiple popular casinos, sometimes with as little as $1, 5, 10, and 15, and try to win big; sometimes even succeed. The only problem is if you're a new player, you have no clue how to find the best no deposit casino Australia has to offer.