Hi,
One important question you need to ask yourself to is can you physically handle all the hours you would need to put in on a daily basis to do quilting full time. There are days when my shoulders and back ache from longarming too much. Plus if you happen to be lucky enough to have quilts coming in regularly than it cuts into your own sewing time. There are times when I haven't even been able to touch my own sewing for 6 weeks and then when I had the time I didn't have the energy to sit down to sew. There is alot to think about - plus the current economy does effect how much business you might have - people are tightening up everywhere they can.
Good luck on your decision,
Sherryl
Candlequilter