Get in contact with the mafia, I mean, he was able to turn it into world domination during the movie, in Aquatic Team-Up he mentioned fast food equaling world domination, in Plankton's Army the gathering of help in other people and not robots worked, occasionally some pretty impressive robots, organized crime syndicates should work and be willing and or interested in completing the theft. Also have sea-bears as a distraction for SpongeBob and any police incase Krabs pulls a "Jailbreak" type of move again, or hides it at home and send some mobsters to his house, and his mothers' to be safe.