The first challenge that comes with remodeling a condo is getting materials up and down so that they can be used in the condo for the remodel. This extra cost does need to be added to the overall bid. Condo remodeling service companies can tell you just how much this is going to cost. Another thing to keep in mind is that a condo is technically considered a commercial building.
This means that you do have to abide by commercial building codes to make sure that all the changes and updates you are making are up to spec and that they are going to pass inspection when the process is done.
The last thing you need to keep in mind is that you do need to make sure you are choosing a contractor that does have some experience. Condos present a very unique issue when it comes to things like being able to remove concrete during the remodel and such. It is always best to get a contractor that knows what they are doing and that knows what difficulties they may come up against during the build. The best thing you can do is go with a reliable company that knows what they are doing.