Do local rules apply, especially if the home is in a historic district or HOA?
Historic properties may also face additional review, so replacing original windows in a protected area is not window installation the same as swapping units in a newer subdivision.
If you are comparing quotes, make sure the scope is truly the same.
For homeowners focused on utility bills and comfort, ask about how much can new windows lower electric bills in Fort Worth TX, but keep the discussion realistic.
That simple rule will not solve every case, but it filters out a lot of bad decisions before they become expensive ones.