Oh crap, forgot to add...
Ditto about design. Draw some plans and figure out the wood before cutting. May not need full engineering stamp, but may if situation is weird.
A great way to meet timber framers - have a plan review party. Serve some beer, wine, cheese & brats and you'll have a whole new set of awesome friends.
Lots of us willing to help a newbee with plan ideas - with or without money involved. Have fun.