In theory, it is possible. But the chance of cashing out those winnings is still small. This is because many casino bonuses have wagering requirements and caps on winnings and withdrawals. To evaluate whether your chosen bonus is beneficial, you need to read and understand the terms. Most probably, it will take time to find a suitable bonus that will help you earn money. Besides, you need to use the bonus rights so that the casino won’t accuse you of bonus abuse.
https://casinobest.ca/faq/can-i-earn-real-money-by-using-bonuses/