I paid off both my loan from DVC a month ago and had no problem with it. Just sent DVC a check and information and that was it! Also, if you use the The Timeshare Store and their financing company, Tammac - there is no penalty for paying off early as I paid that one off last month also.
Now all I have are my monthly maintenance fees coming out of checking and that's working out very smoothly.
It's really a hassle free program!
Rae