Purchase: some Gold Coin bundles in your wallet include free D1 Cash; the amount is shown on the bundle
Free entry: open the AMOE page in the site footer to request a Postal Request Code for a mail-in request (see Sweepstakes Rules for more info)
Giveaways and promotions on the div1.us social media pages: follow the instructions on the post (sharing it, answering a question about the games, or another activity); the D1 Cash stated in the post is credited when the contest ends