The partners will also sell lots - priced from $700,000 to $850,000 - if buyers prefer to build a house on their own.

But, Wine adds, a kitchen can be opened up if a buyer prefers.

Potential buyers may prefer to concentrate on their existing operations.

Or the buyer might prefer to find a broker who represents only buyers.

A bad job will lower the value, and there's no guarantee that the next buyer won't prefer the original floor plan.

In fact, he said, many buyers prefer to search by neighborhood rather than by town name anyway.

"And most buyers prefer new homes over old ones," he added.

Even buyers without dogs often prefer to buy in a dog-friendly building, he said.

But with the rates for 30-year fixed loans so low, some buyers may prefer to pay the extra and relax.

Some buyers prefer to have the nanny downstairs, off the family room or kitchen.