As with any machine purchase, all of our expectations vary. Take the time to learn about what is on the market. Decide what is best for you. A serger is a new experience. If your dealer offers lessons, take advantage of them, to learn how to use all the machines capabilities. There are many books on the market for projects. Be sure to read Sewing Machine Buying Tips if your not sure what to do next.
Do I have to have a serger?
A serger is not required equipment to sew. It does make a life much easier on many of today's fabrics and it adds a lot of strength to many seams, especially children's clothing.
It is the machine that will make the inside of your sewn items look like they were manufactured.