Luke said to him as he got into the car, "Don't worry. This is Texas. If anything goes wrong, just say that you don't know anything."
Old Patrick snorted and got into his car as well to help deliver the goods to Drax's ranch.
The truth was that with Robert as the big boss, there was a good chance that something would go wrong, but it absolutely wouldn't be a big problem.
As long as he wanted to protect Luke, Robert could make all the evidence "defunct" whenever he wanted.
After dropping the equipment off in Drax's tool shed, Old Patrick left. He had no idea what Luke was up to.
He wouldn't admit that he was the one who sold him these weapons and ammo.
Luke took out tools from his inventory and started modifying the two pickup trucks on the ranch.
As for getting close to Thor? There was no need.
That guy was still an arrogant, spoiled kid, which was why his father had kicked him out.
He was even richer than Tony Stark.