How to get $rETH from Rocketpool?

Could you please elaborate on the process of obtaining $rETH from Rocketpool? I'm interested in understanding the steps involved, as well as any requirements or considerations that I should be aware of. Is it a straightforward process, or does it involve some complexity? Could you also provide some insight into the benefits of holding $rETH and how it differs from other cryptocurrencies? Additionally, are there any fees associated with this process, and if so, how do they compare to other platforms? Thank you for your assistance.