Well that would go a long way to preventing the takers from overtaking the makers.
What qualifications would you set forth if you could decide?
It’s not the voters I would overhaul but their vehicles: absentee ballots, processes which permit primary crossover voting, lack of electronic voting analysis, all the machines and processes that are hacked every election.
So I'd keep it pretty simple. Just the big welfare programs. And you might have to limit it to state welfare programs; if you included federal programs, you might run into the same difficuties that states did who tried to pass immigration laws.
People on welfare, food stamps, in prison, etc are wards of the state to some degree and should not be able to vote for taxpayer provided bennies.
IOW, if these programs did not exist, I would have no problem with universal suffrage in House elections for those over . . . 29 years of age.
Limit suffrage to self-sufficient adults, divide power once with a senate of the states and perhaps we can save ourselves.