The guy searched for the second ball for years. And just as he talked with his namekian friend, who explicitly told him not to go after the dragon ball anymore, he gets his cue on TV. How convenient.
They're a bit dumb to postpone the deal with the van. They still need to transport huge heavy bags. And in case they need to run away, they must be ready any time to hit the road again.
At first I thought it was a sci-fi manga with a female protagonist like in Ghost in the Shell, Ghost Urn and other works from Shirow Masamune, but it was only yet-another-male-protagonist manga.