So it's legal right because Im using different broker just play with the odd only or I missing something here
You need to have as many accounts as possible... it's important to have accounts in casinos that use different bookies, it's how you find that difference in odds. If you have accounts in casinos that use the same bookies the odds will be the same.
I think there are videos about it, but if you wish to get more involved in this you need some specialized services:
Thanks for the link Im gonna check it out, some dude says its highly profitable tho Im gonna check it out first with small money maybe before go all in and beat the market or be beaten by the market hahahah thanks everyone