I've been investing for 10 year in single family and I am buying all of my materials at Lowe's with my Lowe's LAR.  

It would be a good material to start with.

However, to answer your question you are in the right place to learn and starting with the book you mentioned is a good place to start.In regards to what you may like, that will depend on what part of the business you resonate with, so to that end I suggest you keep researching as much material on BP as possible and post questions when you are unsure of what you are learning or simply need more clarification.

Most of the materials I put on my credit card and then paid it back.

You must take risks, but, ensure that they are calculated risks.Below are some links to get you started. http://www.biggerpockets.com/startherehttp://www.biggerpockets.com/meetSetting up Keyword AlertsHow to Use @Mentions on BiggerPocketshttps://www.biggerpockets.com/ruleshttps://www.udemy.com/biggerpockets-real-estate-investing-course/ (video with 64 lectures and approx 6hrs of material)https://www.biggerpockets.com/real-estate-investing (Ultimate beginner's guide to REI)REI books suggested by BPershttps://www.biggerpockets.com/renewsblog/2015/11/13/7-real-estate-books-beginner-investors/ (7 absolute must read books for beginner REIs)http://www.biggerpockets.com/renewsblog/2013/04/14/best-real-estate-books/?

total labor and materials usually around $4.50-6.00/ft  of the wall space being covered.Several variables:Labor rate - with insurance or without, American vs. non American labor(just a fact)I pay a local brick layer 70 cents per brick and get a very good job.

The check came from the owner (the city), they just hired someone to make sure that all the licenses, lien waivers, material suppliers, and subcontractors complete their paperwork before releasing the check.

I've already invested a few thousand dollars on signs and leads and some marketing materials.

What's even worse is the material taught often does not apply to Washington State. 

We have invested in the equipment and materials required to repair most problems before we wholesale a property.