Here's a deal analyzer template that I use.Even then, I recommend making sure whatever property you buy can also cash-flow as a long-term rental in case things don't work out.Cash flow verification is a good tip, that would be my back up strategy.

I'd be throwing everything you can out to see if you can get funded- most likely you'll need private money and fast.You need to tell the sellers that they should be looking for a back up offer in the meantime. 

However, for most of us, especially if we're not frequently buying and selling properties, it's safer to have insurance as a backup.

IMO he never seems to be able to back up his own success.

I don't know how "real time" it is because I am usually using it to backup other information.

If people drop the ball or make mistakes in that process it can take 5+ days to get the money which means your contractor can't start back up until the money comes in. 

Appreciation.Your negative cash flow will be picked back up from the above three, so as a house hack I wouldn't sweat it. 

Choose your top ~3 inspection companies, contact info, etc. and then when you're ready to start due diligence on a property, start with your top choice and then utilize your backups if needed for availability, coverage area, or whatever other reason.

The link is back up and running.....Wister Insurance  

However, high ground water levels, like those after heavy rain, can submerge leach fields, causing "over saturation" and system failure, leading to potential septic backup in the home and, if Santa Cruz County Environmental Health is notified, could trigger a ATD upgrade requirement.