My aim is "Take advantage of casino promotion and get profit and stop gambling"

I have lots of bad experience in gambling too
If you want to play totally risk free than no deposit bonus promos should be your choice to make free money, in this way you can reduce your loses maybe it can take so long time to get recover but in the end you will be into profitable condition, gambling is always risky and we can get busted any time there.
This is true, or you can also use your free satohies to gamble online, for me using free bitcoins and not your own money is safer. Once you use your personal money then win once I guess you will try to deposit again because you want to gain more. So for me don't use your personal money.
Free satoshis on gambling sites are just baits for me, because if you play those free satoshis and you suddenly win then you would definitely think to deposit your own money to win more. These promotional things like free btc on sites are just tools to get you addicted and tend to deposit on their site. Well it depends on your self control on how you handle yourself in such situation. When im doing gambling sometimes im not really aiming for profits because i knew already that i would lose.