Buy where you will happy now. Don't over buy points.
If you really like what have, there may not be a reason to sell in 12 years. If you compromise and try to outguess the future market, you will most likely be disappointed in some fashion between now and the time you desire to sell.
My wife and I had 10 years of Disney vacations before our daughter was born. In many ways, the WDW resort is for adults. We have no plans of selling when our daughter grows up.

If you really like what have, there may not be a reason to sell in 12 years. If you compromise and try to outguess the future market, you will most likely be disappointed in some fashion between now and the time you desire to sell.
My wife and I had 10 years of Disney vacations before our daughter was born. In many ways, the WDW resort is for adults. We have no plans of selling when our daughter grows up.