And while setting it up is fairly easy, maintaining complete separation of money (separate bank accounts, credit cards, money draws and deposits) can be rather difficult - any mistakes could disregard LLC status in events of litigation.

Only for the nine community property states, the IRS will allow an LLC to elect to be treated as a disregarded entity when husband and wife are the only members.

For tax, if you're in a community property state, there's a rev proc out there that allows a solely spouse-spouse owned LLC to file as a disregarded entity for income tax purposes. 

I disagree and I think that he completely disregards the "snowball" effect, and the power of buying at a substantial discount and BRRRRing it.

If you fail to operate them correctly a lawyer can easily argue to pierce the corporate veil and disregard your LLc structures entirely.  

You have no track record on running a STR so the bank would most likely disregard the revenue.Also, I am not sure how you can transfer the reviews if at all.

Single-member LLCs by default are disregarded entities, meaning the income is going to pass-through to your personal tax returns as if you were a sole proprietor.

Your LLC as a Single Member LLC would be disregarded for tax purposes and the rental would be reported on Schedule E like normal.The pitfalls of holding RE in a corp long term are double taxation.

If your LLC is a single member (owner) LLC, it is disregarded for tax purposes, but regarded as a separate entity for legal (asset protection) purposes.  

The SM-LLC is disregarded only for tax purposes.