Worn out flooring. Whether it's hardwood or carpet, you can expect old houses to have worn out flooring. Most investors who fix and flip homes prefer using carpet because it spares them from having to refinish hardwood, which some rehabbers find tedious. Carpet is good because it is easy to install and cheap. As for the future owners of the house, it's also a good point because carpet is warm and soft. It also lessens noise. However, take note that hardwood has a higher perceived value. So if those plans only need some cleaning and polishing, go ahead and give it to them. in place, they'll give your property a higher value and your check a bigger figure.