Once the deal passes your first due diligence period on line and you want to continue forward, you request the purchase contract from the wholesaler along with the assignment contract (If it is an assignment deal), title info, escrow/closing attorney info, and info to gain access to physically inspect.

And not just come up with them in your head, but physically writing them down on paper and reviewing them a couple times a month. 

For instance, they're opposites in terms of liquidity, physicality, age of the business model, volatility, etc., etc.  ...and, my impression is that they're also opposites in terms of the mindsets of the investors (e.g.; many RE investors have comparatively longer time horizons, and I would assume that most RE investors have a lower tolerance for risk).I'm a RE investor, and don't have any crypto, but I have plenty of friends who hold a lot of crypto, and we've discussed crypto endlessly...At the risk of sounding like a luddite, even after years of discussions and reading countless articles, I still don't feel like I have a good understanding of crypto.  ...and frankly, I'm skeptical of people who claim to have a thorough understanding of it (yet, there are no shortage of self-proclaimed "experts" who describe crypto with the confidence of someone predicting a sunrise!)

Trying to get good advice is difficult when sales people don't physically see the unit.

That can be physically dangerous as you probably already know.

Perform your banking wherever is most convenient to you not based on where the bank's physical presence is located.

I would try to find a mentor that you don't have to physically pay for first.

There is the pain of physically collecting but also it takes more effort for the bookkeeping than direct deposit. 

how did he physically get in?

We can control it remotely and there's a physical key option for back up.