You can learn these things over time.Take note, Due on sale clause isn't even one of the main concerns.

Ensure you have an itemized invoice from the cleaner, which can help justify the deduction.Reasonable Deductions: Long-term tenants often leave normal wear and tear, so I recommend being lenient on minor issues.

However, and I don't know anything about AirBnB in Denver, but my biggest concern for this project is the ability to consistently rent the basement for $1,800. 

If they leave the document entirely untouched, you do not have engagement or alignment. 

Here are some thoughts on your choices:401k Loan: This can be a good option since you're borrowing from yourself, but it comes with repayment risk, especially if you leave your job.

QB really is not made well for landlords and landlords leave QB every day for better software, payment processing is really expensive, and with QB there's no tenant portal for your tenants to schedule payments or push maintenance requests. 

If you did and had problems leave them a review with the Better Business Bureau, here and also contact the FTC Consumer Protection division.

Unfortunately  alot of the renters treat it like a rental car and leave it with significant depreciation.  

 My concern regarding an ongoing issue with my Stessa account.

Budget these carefully into your overall project plan to avoid surprises.Rehab Budget: Ensure that bids are received from multiple contractors and that adequate reserves are made for cost overruns.ARV: Be conservative on your ARV since the appraisal concerns one person’s opinion.