While thinking about the costs that you might incur while planning for the purchase and the installation of Derby grab bars, you have to think about the cost of maintenance too. This is something that many people tend to ignore but in the long run it comes back to haunt them. These bars will actually need to be repaired and carefully monitored over time. If this is not done, they could get loose from regular use and might even prove to be a health hazard to the user than the support that they were supposed to provide in the first place.