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You need to undergo with deeper research in order for you to understand how things work and how will you take advantages with staking features of these assets. The deeper you understand, the more passive ways you can earn from those projects. It's not easy to see your investment going down but if you know that there's a good returned once the market turn to bull, instead of selling it's best to add more if you have some spare money to buy for additional coins.
More on taking your investment to a long-term goal and continue to enjoy passive earnings from your stake coins.
I would personally only consider this kind of assest as a long term investment only if I had a very high trust on these casinos and their capacity to grow in a such competitive market, due to the centralization implicit on them.
The price of these tokens are tied to the success of the platform itself acting like some sort of share.
I think that for long term investment it would be better to go with a decentralized asset, like Bitcoin. I am not saying that these casino tokens cant lead to very good profits, centralized coins (like Binance's BNB) have provided a lot of money to their investors in a relatively short period of time, but these tokens are not for everyone.
The tokens and you'll excuse me for what I'm going to say, but this is like marriage, it's like a lottery, it's clear if you're lucky or not, honestly everything can be seen very beautifully, but when you're inside and you see all the things you're living and the ones you have to live is when a person knows well what he got into, and the ugliest things can be lived, and for that you have to have a lot of patience and understanding.
The understanding is that if the token falls per share of the Bitcoin market, it falls in price, it is something natural and that must be understood and patience is because in these cases time is the best ally for any investor.
That's how important the knowledge about the token or project that you are supporting, with proper understanding patience can be extended and you can work on it even if will take some time, the point is that aside from your original investment the feature of staking will give you additional numbers of earn coins, it's worth the wait especially once the token pump high, the value of your profits is not alone with the numbers of your original stake but including those earned stakes that is something that will really impress your investment.
Though again, it's more on your understanding and the trust that you have form this casino token that matter, if you just investing out from hypes, the risk is really high for you to lose your money, but if you are investing from your own knowledge, the chance of getting huge compensation is high.