Two thoughts about S7
When Bri and Roger go back to the future to get Mandy's heart fixed, my first thought was: "how will they possibly get insurance or the money to get it fixed?" If they'd traveled back to Scotland, it would make sense, but going back to America feels like the wrong decision from a financial standpoint, lol. And I say this as a depressed American who just had to pay a $5,000 bill for a colonoscopy.
Did needing to have gems to travel through the stones become unnecessary in the second half of the season? It seemed like Roger, Bri, Buck, & kids just traveled throughout time without gems, despite having the gemstone thing be a major hurdle in pervious seasons/episodes.