500K what business should i start!!

Hey guys, I'm 28 years old from Canada. I finished university in engineering 5 years ago and since then I'm playing poker mostly in casino. Now with the covid situation, I don't know what to do with my life :s. I play online but I don't enjoy it.

So now I'm looking to start a business, but I don't have experience with nothing except for poker. Even in my engineering degree I learn close to nothing.

Since i dont have specialisation I'm thinking to do something like buying a McDonalds or something like that. But Mcdo ask to have minimum 700K cash to start a franchise. So it's a little bit over my budget.

I was thinking to do some airbnb but real estate in Canada is super expensive.

I was wondering what would you guys do in my situation? Do you have any business idea? Should I wait for the casino to reopen? I guess with the covid situation many business gone go bankrupt and its gone be the a good time to buy? Should i find a job to get some experience and start a business after? If i go work i will make way less money than i was doing in poker but the good poker years are behind specially with the covid.

Let me know your thought. Any comment will be appreciate.