I have had this occur with cabinets, flooring and other materials made from overseas that the product testing compared to the in field testing of the product were very different. 

This is very  important as we have seen at least 5 BTR builders go sideways  and leave hundreds of investors in trouble.

It's not worth the travel and time to travel to a market to check on a property when your upside is a few extra hundred per month.

I work with hundreds of clients who purchase homes and a management company who has over 7,600 homes under management.

Yes, there is a lot of information, hundreds of different opinions, and it can easily overwhelm a new investor.Dummy it down.

Spending a few hundred now to get with someone to find that they won't be a good fit for you may save you a lot of headache down the line if you don't want to continue with them for whatever reason.

It contains hundreds of files such as ebooks, checklists and spreadsheets for real estate investors: https://www.biggerpockets.com/filesGood luck.

Analyzing hundreds if not 1000's of deals a week or month would be the key to getting to a million in 10 years. 

There are literally hundreds of threads asking the same question you are asking.

It contains hundreds of files such as ebooks, checklists and spreadsheets for real estate investors: https://www.biggerpockets.com/filesGood luck.