If it costs $100,000 to install an ADU and it rents for $1,000 a month, then it may be worth it.

Just so you know, Vrbo and Airbnb will not allow you to receive an inquiry through their platforms, and then take the booking off-platform, they want their cut of the money. 

Again I cannot collect rent to justify this cost/effort.  

.: Here's a good guide with links to the law: https://www.tenantresourcecenter.org/earnest_moneyIf you charge $25 and the credit screening costs $10, you can keep the $10 as income.

Multiple people including myself have tried to caution him of the the true costs but he's been repeatedly dismissive and has made it clear we give him motivation and he wants to prove us all wrong (whatever that means). 

.: Cost of risk scenario. 

What started as a promising BRRRR ended with us making the tough decision to sell at a loss after an unexpected disaster.The Numbers:Sold for: +$230KPurchase Price: $115KClosing Costs: $3KRehab Costs: $105K ($49K original rehab, $56K additional repairs due to the car crash)Holding Costs: $31K (12 months)Selling Costs: $16KInsurance Claim Recovery: +$25KNet Income: - $16KWhat Happened:This was supposed to be a BRRRR.

STR it will cost you big.this isn't a difficult job depending on the fridge location.

Time and practice will still teach you as you do deals but it will help you understand what things costs for the size of the property 

In doing so, bear in mind that the cost and admin of a corporation is higher and that the tax treatment is different:1.