1 Answer. Yes, these missions eventually end. There are 11 Weathervane missions where you place MILAs. The order in which you receive them however, is randomized.

How many Mila does Tinker Tom give you?

It is possible to buy MILAs from Tinker Tom between missions. How many he has in stock depends on how many missions have been completed for him. Also, if the bug relating to the number of times the quest will be issued is encountered, there will only be a total of 10 MILAs for sale.

How many jackpot quests are there?

There are (so far as I can tell) three missions in all. When you complete one of these Jackpot missions, speak to Tinker Tom.