The bank won't lend on it and when they do the final walk through they will bolt and request their earnest money back.

The likely reason is because of a weird floorplan whereby you have to walk through some bedrooms to access other bedrooms...  

After a day and a quarter I decided to walk out.

Also, show up at HomeDepot on a Saturday morning and walk around the parking lot taking pictures of sub's magnetic stickers on their trucks saying what they do and their phone numbers.Hope this helps other newbies like me.

By the time I walk through get my funds letter ready and offer signed, I'm already up to multiple offers.  

Fill in the foundation below.Check out the Start Here page http://www.biggerpockets.com/starthere Check out BiggerPockets Ultimate Beginner's Guide - A fantastic free book that walks through many of the key topics of real estate investing.Check out the free BiggerPockets Podcast - A weekly podcast with interviews and a ton of great advice.

Let them know what you are intending to do and ask them to walk a property with you and provide a "rough" estimate on the spot (add around 10% for a cushion.)

Fill in the foundation below.Check out the Start Here page http://www.biggerpockets.com/starthere Check out BiggerPockets Ultimate Beginner's Guide - A fantastic free book that walks through many of the key topics of real estate investing.Check out the free BiggerPockets Podcast - A weekly podcast with interviews and a ton of great advice.

In 2011 my wife walked into small 1950s cape style house that reeked from 60 years of cigarette smoke and fell in love with the property.

I believe doing walk throughs with others like you have been doing Account Closedis the most effective method in learning this.