The biggest issue is that you'll be representing yourself, which means you are emotionally involved.

Biggest thing is going to be structural or foundational issues as long as that is solid it's okay.

Oftentimes, a direct line to the owner is the biggest challenge.I'd be prepared to make an offer on the spot BUT I'd also be prepared to take things 1 step at a time.

The biggest thing is communication, keep it touch with your tenant, make sure you emphasize that you want them happy with the property and that you need to know right away of any issues with the property.  

My biggest piece of advice is to learn from the experiences of others.

It sounds like the biggest issue with BRRRR in your opinions is the refinance portions?

I already have a couple potential deals, but the biggest hurdle I'll face is finding a private money lender who's willing to lend to someone with minimal experience.

 - I saved my biggest reason to last.  

A home that is selling for $100k after we just saw the biggest run up in real estate values in my adult lifetime means that it's probably not a very desirable place to live for people that have options.

My club is one of the biggest in the country and the cost if really cheap ($175/yr) and we have about 20 meetings a month!