I'm a gambler and play a lot I deposit $2 to test Gamdom games and withdrawals, since I already have tipped from being signature participants I need not deposit more, yes you can deposit a small amount as long as the casino allow you, that is to test their games, they even give a small bonus to test their games before players make a huge deposit, on some casinos I've played they even allow $1 deposit and that is TRX, casinos know how to motivate gamblers to play by giving them a bonus, allowing them to test their games through small deposits and giving them deposit bonus.
Yes, I remembered one casino if I am not mistaken. They allow a $1 deposit but at that time, I deposited $5 and the money is still in my account so I do not need to deposit more. Gandom gives another experience playing on many casinos, but I have not yet explored what it was. Playing with TRX will also be recommended as the fee is not too high but what I am concerned about is if we want to send from the exchanges, sometimes they charge too high a fee.
I am sure Gamdom will add more coins, such as TRX or Doge or Shiba (maybe).