question Your Domaining Profits...

It depends. Upto xxx profit are usually less than renewal coverage. Waiting for xxxxxx profit.

Your Domaining Profits...

Will never be enough.
Will come in unpredictable streams.
Will be spent on renewals and new acquisitions.
Will always amaze you by which domain they come from.
Can be unpredictable.
Are nonexistent for many people, average for some, and large for a few.
Are good incentive to buy domains, but not always the driving force.