If you look at https://mempool.emzy.de/, the current transaction fee is over $50 but in the past few hours it was over $100... So if you are a gambler who doesn't gamble that much like your range is only $10 to $100, it's impossible you will choose to gamble today with that very high fees.
This is only for gamblers who use bitcoin as the payment method, how is going today? Who among us here can still afford to gamble?
The gambler who using their holding bitcoin for the transaction may get suffer from this situation.Because the transaction fee is the additional for the gamblers to add their money to the gambling site.Mostly the gamblers convert their money to usdt or other less transaction fee cryptocurrencies.So they easy get away from the transaction fee.Mostly the gamblers will not trade their money in the gambling sites in term of the bitcoin.Because bitcoin will automatically become some multiple of itself with certain period.
It's still possible to gamble if you don't plan to withdraw those funds after playing, given there are gambling sites that'll always instantly credit Bitcoin deposits.
There's also the option of using altcoins like the others have mentioned, and it's probably the best solution to avoid fees only if you have other spare funds aside from Bitcoin.
The halving was the base reason for the increase of transaction fee,but mostly due to increased demand the price of the bitcoin will increase in the market.So the same will reflect in the transaction fee for the bitcoin transaction.The gambling site still favours the transaction of the bitcoin with less transactions fee.The transaction fee for tron,XRP and USDT are very low compared to the amount for the bitcoin transaction fee at the same moment.The gamblers may hold their valuable bitcoin for the future profit.