Our Disney backup plan

Since gas prices suck and the cost per barrel goes up everyday, gas will eventually reach $4.50 if not higher by the time October rolls around. So I'll take the girls and Dylan to Disney. I'm definitely not flying, so I'd be driving. I want to let Dylan self wean, so he'll be coming with us. The thought of me and 3 kids in Disney scares me. I know I can do 2 since I've taking Ayden and Kailey before. We'll see...