I am an alien...while I do have 3 projects in the works, all of mine do go from start to finish. Mostly because I have an end person that I am giving the quilt to. Many of these people I see rarely since I live quite a distance from most of my family peeps. So I pretty much always have a rough deadline, because I refuse to mail the quilts. They are meant to be given in person.
To me, I hate leaving things unfinished! They can be "in progress" but not unfinished. Honestly, I do not sleep well with things unfinished, but will dream about them!
eta: but I do it all myself...if I had to send tops out to a LAQ, I woudl not be able to afford to have them all quilted!