Should I Replace windows?

[Katie Stone]

The tenant that just left replaced the living room windows with this weird plastic looking glass (not sure if it's glass) with weird designs all through it. It makes it difficult to see through, and when the sun is shining it puts hundreds of prism things all over the wall. The quote to get replaced is about $450.-$500. They are functional but I think the unit looks dark with them- and I think they are super ugly. Would you replace? We have already spent thousands on this unit repairing all the damage this choice tenant left. Husband thinks they're functional. I think they're hideous. Tenant is long gone and his deposit didn't cover a tenth of the damages.