My father, father-in-law, and I plan to build a tear drop as a family project. My father-in-law ran a farm all his life, and later sold and maintained farm machinery. So we're pretty well set up using his old shop, which is well stocked with many metal working tools.
My father is great at carpentry, and has done a lot of the research, including finding this site.
I'm paying the bills and serving as foreman and retain design approval rights since I'll be the one sleeping in it with my wife. That means I'll have to live with all that shoulda, woulda coulda talk from her. On second thought, maybe I can blame her dad instead.

We hope to build the trailer over the winter. I bought a manufactured frame which is now parked in the father-in-law's shop. We're working on our list of materails at this point. Next step is to plan the schedule and the order of construction. Here is where I hope to find lots of tips from those of you who have done it before.
Huntsville is the Rocket City, hence my user name, Rocketear.