Before we close this chapter, let's delve into a collection of tips and tricks that may help you in designing and running your live games:
Player spending should build up your community, not divide it
Avoid splitting your audience based on their ability to spend. While early access to new content is fine, introducing things such as premium map DLCs is going to split friend groups, reduce matchmaking opportunities, and ultimately hurt both sides of the paying spectrum.
Spending should feel good, but the gratification should not come from gaining unfair advantages and penalizing everyone else. In western markets, most players will quickly rebel against a game that's 100% pay to win (where skill, experience, or strategy mean nothing, and the only way to stay competitive is to outspend their rivals).
Turn premium content into something that makes the game...