Also... you say
7. Until you sell for fiat or use to purchase goods or services you have no taxable gain.
Are you 100 percent sure about this? I checked reddit and alot of other threads on this and it seems many accountants say there is a gain even if you go from altcoin to altcoin. A few ppl say you dont but majority say you do.
If you are making profit, you are responsible for any taxes on that profit. However, you have only made theoretical fiat profit. Until you convert to fiat or purchase goods and services with the profit then you have not realized a fiat gain. So yes, keep track, consult a CPA or Tax Attorney and by all means pay any taxes you owe.
There is no question that there are overlapping explanations and some conflict.