My upcoming BWV trip is about $8000 after taxes at the best available price at the time I booked it (it's since totally sold out). It cost 170 points, or about $2200 at the price per point plus dues that our contract cost us. I still can't believe we will save $5800 on this first trip.
And that's just lodging. We also got the Sorcerer's passes, which saved us about $2500 vs Incredipass, and about $5000 over paying for tickets for the three trips we had originally planned (before we decided to buy
DVC). We now have five total trips planned over the next year (~30 total nights), and I haven't done the math, but we're probably going to save over $20K vs buying those five trips fully with cash.