I use folding sewing boards on our twin beds which are pushed together. Each board fits the top of a twin bed. I put the three layers on the boards, making sure they are smooth and no wrinkles, pull the nearest board onto my lap with the quilt on it so I can sit on a chair and tie the quilt. I can't crawl around on the floor and don't have that much room to lay a quilt out.
I prefer using a quilting frame but don't have room in my home to set one up. If you can borrow a floor frame and some friends, ask if you can use space at your church or local school or if you are really lucky, a friends' rec room. I have even set up a frame in the back yard and tied or basted a quilt.
We have a group at our church who ties 3 or 4 quilts in a session. We use sport yarn, single strand and they go to charities.
Carol J.