Remember: "Prediction is difficult, especially about the future".
1.5 per month is based on real data of the last 30 days of mining, not based on assumptions and estimations, so no I am not smoking.
Updated the description:
Last 30 days profit: 1.5 BTC. Current profitability: 0.0285 BTC per day.
3 posts, of which 2 are to sell stuff? Sure...
Right, I should write very consistent posts (but not to
sell stuff) like yours instead.