Grin Economy and miner revenue

[Anynomous]

See this forum threat for my answer:

Miners profitability

check out this link what about the Obelisk GRN1 Mini it claims to have a 15 day payback any words of wisdom on this is it fake? [Cuckatoo31 Mining Hardware Profitability Comparison | Cryptominer Deals](Cuckatoo31 Mining Hardware Profitability Comparison | Cryptominer Deals are you presently mining a coin and if u are whats your setup if you wouldnt mind sharing