Yeah, this may be possible. Bitcoin is unique, a global and digital currency. Short-term gains are possible, but the crypto world is very unpredictable, so it's better to invest smartly.

Bitmain Antminer S21/T21 variations, Antminer S9 Hydro (underclocked), and iPollo Mini SE Plus are some great options to think about. All of these are made to be both suited for residential settings and energy-efficient.

XMRBazaar is a peer-to-peer Monero marketplace for goods/services, prioritizing anonymity. It depends on direct user involvement and lacks traditional security.

There are no platform fees or direct fund processing, but still some sellers face the navigation and dispute risk issues.

For C-corps looking for high-yield business savings beyond Wealthfront or Live Oak, Axos Bank (4.01% APY), Prime Alliance Bank (up to 4.00%), and First Internet Bank (up to 4.42%) are excellent online options. They generally provide competitive rates with minimal or no fees.