Something else to think about, if parts are hard to come by and expensive to ship, you might load up on some spares before shipping your tb. Think about items that may be hard to get and throw some spares in the truck.
I'm thinking axles, front hubs, belts, hoses, brakes.... all the things that you will have to replace or need a spare for anyway. If it will take 2 weeks to get a tie rod end shipped, you want to have that on hand so you aren't stuck waiting for one in the mail.