Cleveland had the same idea when they built the Browns and Indian stadiums.
They instituted a huge bed tax on the city to recoup the cost of the stadium. What about the people that stay in the sub-burbs? Go outside the city and you pay at least $50 less per night.
But how does the state recover their part of the cost? Most of the money spent game nights would have been spent in the state anyway. How many people follow their team from state to state other than the team’s staff?
Vegas is unique in all the nation's sports towns in that fans of visiting teams actually want to visit Vegas. The new Vegas Golden Knights nhl team hosts crowds that are usually 20% to 25% visitors.
Add to that the devoted Raiders fans. If you've ever attended an nfl game where the Raiders are visitors, you know that many Raiders fans made the trip to see their team there. Expect tens of thousands of Southern CA Raiders fans to drive through the desert on game weekends. However, it may take several years for bay area fans to recover from their butt hurt of losing their team before they start flying in Vegas for the Raiders.