I didn’t read the fine print but they can adjust the rate anytime they want.  

STR PotentialWith $40K in annual revenue, reaching $1,000/month in cash flow will require some adjustments.

Even if their pay doesn't increase this is a small enough change for most tenants to adjust to within their budget especially if they come to expect it with their next lease renewal. 5. 1-3% annual increases might not keep up with rent price increases in the short run.

Or you need to adjust the price point down.

Trying to cough up similar amount +new adjusted inflated price is very tough. 

The other thing I often see is that over time, different homeowners/contractors have decided to DYI adjustments to their home aka took out walls, didn't shore things up properly, put in new doors, etc.My point is that what you are seeing is not abnormal for older homes. 

I've created bullet points, changed wording often, rearranged pictures periodically, adjusted prices (super low for my area).

However before you get started I recommend you adjust your mindset.

If you're new to this, it may take some time to adjust your expectations and get comfortable.

The borrowers pay significantly less for those appraisals; they usually lack vital information, tend to be performed to much more “lax” standards, and often lack good decision making as to comps, capitalization rates, and adjustments of value between the subject property and the comps.