Nice pics.
Gold Rush is not the same "leve" (price) as Gumball.
The rule is : the more expensive , the more exclusivity the better it is so more participants.
Gold Rush increased the price every year, pretty much it almost doubled in the last 3 years.
2015 Gold Rush
FRIDAY – JUNE 5TH: SAN DIEGO, CALIFORNIA
SATURDAY – JUNE 6TH: LAS VEGAS, NEVADA
SUNDAY – JUNE 7TH: SEDONA, ARIZONA
MONDAY – JUNE 8TH: SANTA FE, NEW MEXICO
TUESDAY – JUNE 9TH: AUSTIN, TEXAS
WEDNESDAY – JUNE 10TH: AUSTIN, TEXAS
THURSDAY – JUNE 11TH: NEW ORLEANS, LOUISIANA
FRIDAY – JUNE 12TH: JACKSONVILLE, FLORIDA
SATURDAY – JUNE 13TH: MIAMI, FLORIDA