That lien needs to be added to the cost of any refi, and changes the calculation when or if a refi makes sense.

As you continue to grow you'll thank yourself later that you prioritized bookkeeping because playing catch up can be difficult and costly. 

BUT, it all can still lead to major cost and time problems if the borrower files for bankruptcy protection.

Incentivize their utility costs and construction.

You mention the acquisition costs are $1M and the construction costs are $1M and total costs are $2M.

Same for backyard - even if it's small, cutting it in half with a fence makes it easier for both to enjoy a holiday barbecue in their own space.These are low-cost options that will help create a better relationship with tenants.

Every penny you borrow to buy something else cost $$$ and its time value should be considered.

Review the seller’s maintenance records to identify any existing issues or potential problems.Do your financial analysis to factor in the current rent, estimated vacancy rate, maintenance costs, property taxes, and insurance to determine the property's projected cash flow.

It is bad form and will cost you in the end.

Holders of those loans may never sell their house since the cost to buy a different similar house would be astronomical, and unless a move was absolutely needed, they just wont sell.