Rental costs in the Hamptons are soaring, pricing out many in the upper-middle class.The demand for rentals in areas like the Hamptons has been steadily rising as people look to escape big cities.Homeowners in these areas are reportedly "price gauging" as people continue to flee to more remote vacation areas.Visit Business Insider's homepage for more stories.The wealthy are clamoring for local escapes in the Hamptons — and the demand is so high that it's actually pricing some of them out.Page Six's Christopher Cameron reported that many "middle-class rich people" are upset over the rising rental prices in the Hamptons. Many are finding themselves completely priced out of the market."Brokers are doubling prices," Betsy Cox from Blackbook Concierge told Cameron. Cox is looking at homes in Palm