Minimum account value for paticipating in the steam sale events

As we all know we can't have any nice things in the current sales because people commited fraud during the past events.



Last time you just needed to have a single game (which you can get for less than a dollar) on your account which you had paid for, which caused the achievements from the free to play games to be farmed for free games thus giving people a profit.



But what if the minimum value of your account had to be 50~100 dollar to be able to join in and get the rewards, I highly doubt people will farm the achievements if it costs them 50+ dollars to have a chance at getting a decent game.



Additionally you could maybe add a rule that says the participating account must be at least a month or more old to participate in the events.



I really hope we can see a return of the steam events.