In my area (near the beach) its mostly families and they want cabanas, baby items, chairs, coolers etc that we do not provide but I have a local vendor that delivers and picks up these items and charges a few dollars per day for each item, and give me a 20% referral. 

Due to item 1, adding an ADU can require years to start achieving any return (once the accumulated cash flow recovers the initial negative position).4) Adding an ADU is a slow process.

An example of a mistake was a line item for alimony that I found on my taxes (I am single and have never been married).

The Detailed Engineering Cost Estimate Approach is typically used for the purchase of used property.SURVEY OR LETTER APPROACHOnce a site inspection has been completed and all components of a property have been determined, your specialist will send a survey or letter to the contractors or subcontractors to request they provide the cost of each of the items.

Go through each major line item and come to an agreement on what really needs to be done.

One important item to note about bids: most smaller contractors are terrible at estimating.

It would cash flow nicely.One item to plan for from the beginning is the exit. 

Will work on some of these actionable items

Most new construction deals require you to give up to a 10-year warranty on some items while most fix and flips come with very little extended liability after the sale excluding gross negligence which is not stopped by an LLC in any case.

Taking real time notes on deficiencies allows for clear understanding if the items make their way to a buyer repair addendum.