The only Grand Villa/Cabin/Bungalow-class rooms that 25,001 points gets for a year are:
- Saratoga Springs Treehouse - 17.3k
- Old Key West Grand Villa - 22.3k
How far 25,001 gets you at other Grand Villa/Cabin/Bungalow-class rooms at WDW:
- Poly Bungalow - 5.4 months
- VGF Grand Villa - 5.7 months
- BLT Theme Park View GV - 6.3 months
- RIV Grand Villa - 6.3 months
- Copper Creek Grand Villa - 6.8 months
- Copper Creek Cabin - 7.1 months
- BLT Standard View GV - 7.5 months
- BWV Grand Villa - 8.3 months
- AKV Savannah View GV - 8.5 months
- SSR Preferred GV - 8.6 months
- AKV Standard View GV - 9.4 months
- SSR Standard GV - 9.8 months
These are averages, I suppose you could choose lower points types of year to be thrifty with your measly 25,001 points.