Cardano pool operator profitability

Where is the tipping point that it may not be cost-effective to operate a pool and when was the harvest for pool operators? We include into rewards: fix pool costs, float, pledge reward of $30k equivalent. But you know, take it easy, it is only estimation.

Live analysis

Costs per one pool * $800
MPO / Shared relays coeff 1.16
Pledge 50581 ADA
Live ADA Price $0.593 / ADA
Break-even minimal profitability $0.79 / ADA
Estimated Profitability 74.79%

* Based on our analysis. Operating a pool is more demanding than having a bitcoin miner. Therefore, not only hw costs are included, but also the necessary time for updates, maintenance. We consider the quoted price to be the lowest possible as average.