We've been living in our house for a little over 4 years. The previous owner left behind any extra paint for the rooms she painted before we moved in. We just did some renovating in one of the bedrooms. Think I can use the paint she left behind for touch up work (which is at least 4 years old now, maybe older)? Would I be better off buying new paint in the same color, or do you think I'll just have to repaint the whole room (even though it's just one wall we need to repaint)?
I opened up the paint can and it looks like it's separated/settled, but do you think I can shake it/stir it really well and have it still work?