You want to give potential homebuyers the best product possible: a renovated home that’s well done. So you'd never try to cut corners by keeping drafty old windows in your flip. When replacing windows that have seen better days consider these four styles. Single and Double-Hung Windows  Single and double-hung windows are, by far, two of the most popular and commonly-used window styles among new and existing homes. Both styles may appear to be identical, with rectangular-shaped windows that have two large sections, one above the other, and each section having multiple grid lines (which may also be referred to