How likely am I to need 30amp and/or water extensions?

It seems most times we go to Disney's Fort Wilderness, we need an extension on something, usually it's the water and the cable. A lot of the sites at Fort Wilderness have water at the front of the site and the electric and cable at the back of the site.

We carry 2 25 foot drinking water hoses, a 50 foot 30 Amp extension cord and 2 25 foot coax cables. We've only used the 30 Amp extension once in our HTT, haven't used it in the motorhome yet.

-Michael