> For the complete documentation index, see [llms.txt](https://syneraai.gitbook.io/syneraaiwhitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://syneraai.gitbook.io/syneraaiwhitepaper/summary/use-cases/3.-investors-and-salespeople.md).

# 3. Investors and salespeople

* **Stake to Earn:** Utilize our revenue sharing system to earn $SYN profits by staking directly in our Dapp.
* **Rent to Earn:** Rent our nodes from various networks to earn predictable passive income.
* **Lend to Earn:** Lend out your unused hardware and earn recurring fees on request.
* **Refer to Earn:** Refer our products through our marketplace and earn a direct commission in $SYN for each referral, providing a steady and sustainable income.