In the "Goober's Contest" episode Aunt Bee wins five dollars in Goober's contest and says that it is her first time ever winning anything so she never tries. She did however win big on the game show 'Win or Lose' of season 6 in "The Taylor's in Hollywood." And after this episode she will win a trip to Mexico.
In the first 60 years of commercial air travel it was appropriate for passengers to get dressed up to fly. Here Howard, Emmet, Andy, and Opie are also wearing suits, just as well-wishers.
The girl's bellboy was sorely disappointed with his $.75 tip. In 1967 they should've tipped him about $.50 per bag.
The giant camera that Myrtle walks by in the drugstore was a display model for the Kodak Instamatic camera. It was a massive hit in the 60s for its ease-of-use, and the rotating flashcube on top which allowed for four successive shots without changing bulbs.
In the marketplace where Bee and the girls fight over the purse, the salesman asks for approximately $6 to begin with, but winds up asking for just under $2 before they leave.