3) If I were to create a rental agreement essentially leasing my Home office space to any or all of these LLCs, can each of these LLC's have a separate Rental agreement with same residence ?

If the quote they gave you is essentially a to do list, find a handyperson who is capable of doing the things on that list and ask them for a quote. 

Thank you for being an essential part of the BiggerPockets community.

For example on SFR primary/second home properties, typically HELOC's are structured as a 30 year amortization, with the first 10 years usually being the 'draw' period (time to utilize and pay down the credit line) interest only and 20 years amortized principle and interest payments.

It's essential to evaluate coverage options carefully and consider consulting with a financial advisor specializing in real estate investments for strategic insights.

The way I read this, if you meet the setback requirements, you can have essentially a duplex on any lot in Colorado. 

This essentially makes the buydown payment no different from just paying the money upfront.

Essentially whatever cash flows after keeping aside money for repairs/etc.

They just handle the paperwork/administration of the deal essentially.

Essentially your business is your lender.