counter strike (( CSGO JACKPOT SITE))

Hello guys iam trying to make a site like [login to view URL] what this website do is , you sign in with your steam account , put your trade link , then ppl start depositing skins(items) to a steam account on server (bot) then after it reach the limit of the skins (which i will choose it) it will pick the winner randomly but with advantage to the guy who put more valued skins (like what u see on the website they call it "Provably Fair" ) and after that the 1st bot send it to 2nd bot that will give the items to the guy who won , but he will take %% from the value to my account so if there is any 1 that know how to make sites like this and can help me with every thing , i can pay but dont make it too expensive please if u need more info about the site and how it work i can tell you more , if any 1 can make it just comment on the post , and pm me thx for reading all of this