We are doing this right now, and have been for about 5 months. It is extremely difficult on everyone, but that is also partly because we also don't have our own place. My dh stays with hsi sister during the week (sleeping on the livingroom floor), and the kids and I are staying with my sister- all sharing her bedroom. It's hard for me to not only not get a break from the kids, but also to not have that connection with my husband on a daily basis. The weekends feel rushed, and are always too short, and the weeks feel way too long. Of course, your situation is a little different- you have only oen child, your child is in school (we homeschool), and you have your own place.
Even so, I wouldn't recommend doing it if you can find another way around it.
Even so, I wouldn't recommend doing it if you can find another way around it.