Your guide is correct.
I own BW and bought it in 2005 with 37 years left on the contract. That means Me or my kids get 37 years out of it. It cost me more then SSR at the time (as they were having a great incentive and SSR had a longer contract at the time it was 48 or 49 years) When you divide my buy in at $92 /#of years left 37 it comes to $2.48 per point plus MF.
I also recently bought BLT-and my buy in was only 2.14 + lower MF.
So BLT is actually cheaper per point. But then when you compare how much a SV room is at the BLT vs BWV or a MK view vs a BW view etc etc the BLT is a little cheaper at this point, but when MF go up (BW is 13 years old) who Knows.
So why did I pay more for the BW--- Because its worth it for what I wanted out of
DVC. I wanted to be close to the parks. I feel being so close to Epcot is priceless. I can walk over to the countrys (5 minutes) and shop, eat or just enjoy the music and illuminations any day of the week. When you are at Disney for 7-10 days it can get exhausting and being able to just hop the boat and get off at France/England is priceless.
In the end, it really doesn't matter what you pay. Think of it like a car-- did you pay more to have automatic seats and a sun roof? Did you ever justify the cost of the sunroof or automatic seats (if your the only driver) -- NO you bought what you wanted even though the it may have cost you moreIf.
When I bought BLT I got DP at SSR-- and although they were FREE I wasn't thrilled with using them, because I would have missed having Epcot in my front yard too much. So I bought 40 extra points and I got 3 free nights (during Premier Season for a Thurs, Friday & Sat nite stay worth 200 points) at the BWV instead
If you love the BC and decide to purchase it you will still have 32 years left of great vacations. If you want to be close to Epcot or love the BC then that's the right decision for you.