Adjusted for inflation, the $50 that Bud invests and loses would have a value of approximately $437 in the year 2020.
Eddie Foy III, who plays the delivery boy here, is a 3rd-generation namesake and descendant of famous show people, being the son of Eddie Foy Jr. and grandson of Eddie Foy.
The Bill Shappard mentioned, but not seen, was also Bud's boss at the gas station earlier in the season in Bud, the Willing Worker (1959) where he was played by James Franciscus.
The potato press that Kathy uses to pretend she's the MC for Betty's pretend fashion show was the prop Jim uses in A Medal for Margaret (1958) to pretend he's Ralph Edwards for Margaret's pretend appearance on This Is Your Life (1950).