Folks do it, but just be aware that you'll be schlepping a good 50lbs on top of stuff for you, so it's going to be physically very challenging and hard as heck going up hills. Your bike best have very low gearing.
doable but will limit distances that you can comfortably do and only trying it yourself will actually let you know how it is.
Planning to take a bike trailer and he will be wearing a pack for small things he will be needing. Such as clothes, rain jacket bowls