Many people do home renovations quite successfully and this can add value to the home whether you want to sell or not. But whether you want to book a furniture mover or not, it is wise to consider carefully whether you are up to the job of painting your home.
Anyone with arthritis should not attempt to paint the ceiling as it can be really hard on the neck to look up all the time. Even painting the walls can be a lot more work than it looks. For a start, you have to go over it all with a fine tooth-comb to see that it is in good repair and that any cracks or holes are filled in with putty and sanded over, otherwise even that small nail hole or bump will look more obvious.