As you progress through the Levels, you are offered the opportunity to bet more Chips per spin, and the opportunity to make multiple spins. (10x, 25x, 50x, etc.)
The combination of these allows players to TRY* to better manage some of the longer stretches between Bonuses and more Chips being available, to make strategic choices about fewer, larger bets vs. more, smaller bets.
* MyVegas is, after all, a game of chance. Sometimes the luck runs with you, and other times… well…
On the LetTheChipsFall.com website, we have worked to compile a list of when the different Resort Properties, Bonuses and Games become available: