A visual inspection could also give you some clues.

It would be nice to have a visual of the issue.

I see dashboards and stuff, is it data visualization? 

He obviously couldn't climb up on the roof, but he did the arms-length visual inspection and pointed out the repairs he recommended (one roof had architectural and was in decent shape but the other was just 3-tab and needed replaced.

Now, putting that all into one property blocks you in it until a "liquidity" event happens, aka, sell the property later.If you know builder friends who and/or you have skills to quickly visually estimate what $$ takes to put in a distressed property, you might find the following vehicle very lucrative: I know a Broker friend of mine in San Mateo, CA who is pooling investor $$ together to finance 90 day buy-fix-flip houses in the San Fran Bay Area.

For me I began to visualize where I wanted to go with investing.

fbclid=IwAR0Ru1j-YxjsGy3gW4MpCruSyyIR2Z-WGLwRL4eTY-LAR6Ym1WmHDxLAXQk and then this one is more a visual guide from star tribune- http://m.startribune.com/find-out-how-your-block-could-change-in-minneapolis-2040-plan/489889431/

I personally cover air filters as well just so I know when they are changed so they don't wear on my furnace, and it allows me to come into the unit every 3 months and do a visual inspection of the living space.

Though I am a visual and hands on learner, I wanted some basic idea before jumping in.

I used to meditate every night, write in a grateful journal, plan my next day and visualize my future success.