Crawley Town boosted their promotion hopes as they went nine points clear at the top of the Blue Square Bet Premier.
Two goals in the first nine minutes through Matthew Tubbs and Kyle McFadzean gave Crawley their platform.
Brett Johnson pulled one back before Dannie Bulman was sent off two minutes from half-time for a professional foul.
Sub James Dance wrapped up the points when he netted the clinching third eight minutes after the restart, Dons having James Mulley sent off late on.
Crawley now have four games in hand, as well as their nine-point cushion. And they look so nailed on to go up, even with two months of the season still left, that Conference sponsors Blue Square Bet are already offering to pay out.
Tubbs opened the league leaders' account after just five minutes, receiving Josh Simpson's cross to slot home from inside the area.
Town then doubled their advantage only four minutes later when McFadzean blasted in a left-footer.
Second-placed Wimbledon rallied and were given a double boost when Johnson headed in from close range just four minutes before Bulman was dismissed for a professional foul on Luke Moore.
But Dance restored Town's two-goal advantage with a long-range drive that left Seb Brown standing.
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