The collection site will feel as though you had bruised yourself in the lower back. The procedure does not preclude you from going about your daily routine, and the soreness diminishes over time.
Most people go back to work in a day or two.
The answer is no. The collection procedure is paid for by the patient or the patient's insurance company. You are left with the knowledge that you helped to save a life. The marrow regenerates within a few weeks. The donation does not curtail your daily activities.