The sales comparison approach is typically done for residential real estate and will be less appropriate and come in under value because there are no good comps, and even an appraisal using the income approach (unless the appraiser is trained to do more complex commercial appraisals) is probably not going to be the most accurate either because they typically use market cap rates and in this case you don’t have good comparable income properties to find the market cap for the analysis.  

Short-term maybe short it, for the reasons you mentioned OP but this investment is a physical long-term one so you analyze it appropriately. 

These would be bare rental units where tenant builds to suit or we could with appropriate rent charge.

There's a good chance the issue(s) you face has already been discussed and answered.Ask questions in the appropriate forum.

Is there a way look to appropriately price it?

There's a good chance the issue(s) you face has already been discussed and answered.Ask questions in the appropriate forum.

There's a good chance the issue(s) you face has already been discussed and answered.Ask questions in the appropriate forum.

I don't know if feeling sorry for Clayton Morris is the appropriate reaction.

Fix your cabinet with the missing door, remove the stickers from the mirror and window, close the toilet lid, sweep and mop the floors, use a wide-angle lens, and take pictures from an appropriate angle. 

Reporting the capital gains gets harder and harder the more transactions you have.4)  If anyone thinks they will be converting this much bitcoin into dollars and not paying the appropriate taxes they are a fool.