Most do the "We Buy Houses" approach which solutions like Carrot works perfectly.   

ADUs are emerging as part of the solution in almost every housing constrained jurisdiction.

It's probably more to ensure you're in touch with what is going on at the property.I understand your frustrations and hope you find a workable solution. 

It sounds like your proposed solution is solid.

The solution is likely to file an amendment to the Certificate of Formation for the entity changing the registered agent.

Best thing to do is you should meet with a real estate attorney to go over the specifics of this deal to come up with the best solution to maximize your returns as well as protect you throughout the transaction.

(or if can you lmk of a cheap wifi carrier/solution that will be used only for hallways and exterior cameras).

Perhaps if they were mostly through their lease I would use the opportunity to sign a fresh lease with no increase as the solution and show them they will save $$$ over any planned increase or just give them a week's free rent or something.

Another issue that I don't find the solution in the syndication literature is how do you finance the interest paid to the investors when there is zero income during the construction.

I imagine "Loan Origination" and anything paid to the bank itself can be negotiated but I am being quoted different amounts and line items are labeled differently in each quote (e.g.