How can we help you? When do I need a stair lift? 1 out of 2 found this helpful Each person is different, but when you feel that getting up or down a flight of stairs is a struggle or unsafe, it may be time to consider investing in a stair lift. Was this helpful? Yes (1) No (0) Category: General Related Questions Are stair lifts expensive? How long does the installation take? Is a stair lift difficult to operate? How do I move forward with my stair lift inquiry?