The easiest spot would probably be the dining room and change the office to more of a smaller dining area. 

It will co-exist with other "new" payment methods such as google pay, apple pay and credit card etc, because the target customers are different.

Anthony,You would be surprised by using some old school methods like simply writing a letter like you mentioned. 

My interest are house flipping and the BRRRR method.

I don’t know the guy and I almost feel sorry for him… Of course, if he is an imposter then I suppose the OP is on the hunt for frauds.I’ve never invested in a Syndication so my scam alert radar is not as sensitive as someone who has more experience in this method. 

His methods are unsafe and unwise.

Find Brandon's videos on YouTube for the "four square" method of analyzing homes and practice.

These methods include:Detailed Engineering Cost ApproachDetailed Engineering Cost Estimate ApproachSurvey or Letter ApproachResidual Estimation ApproachSampling or Modeling ApproachExperience or “Rule of Thumb” ApproachFor further details on the methodologies, refer here.WHAT ARE THE BEST AND WORST PROPERTIES FOR COST SEGREGATION STUDIES?

Find Brandon's videos on YouTube for the "four square" method of analyzing homes and practice.

And given that, in a major city, there are hundreds of houses put on the market weekly, you need a method to efficiently screen properties to make sure they won't bleed money before you spend time analyzing, touring them ect.