I don't know, maybe this has been addressed (or not), but you still get a pass for parking at the parks.... so I would take my stuff to the resort, then go park in the Lot for the parks. Take Disney Transportation to get back and forth. Sure it's inconvenient, but if you aren't doing a lot of driving anyway....... For a week long stay at a moderate, you could be looking at $140+ additional.
Alas... as long as people keep paying, WDW will keep collecting.
Kids are getting older now.... Maybe time to find another "Destination"