One transaction in particular we had to have an electrician strip back the cloth to prove there was copper, then cover in the more traditional synthetic covering.

The difference is high cotton content versus synthetics in the cheap ones.

https://risk.lexisnexis.com/insights-resources/article/synthetic-identity-fraud

I have about 6 years of natural and synthetic stone countertops and aim to use this in my investment journey. 

BTW head over to amazon.com and type in "synthetic skunk oil" its powerful and it forces vagrants out of a home.

My recommendation would be to avoid synthetic materials (i.e., microfiber) when sourcing.

Maybe some nice synthetic grass, the stuff that looks like the real thing.

Smart Siding or cement siding instead of basic hardboard, Cheap Vinyl windows or a higher grade window, if you're building in Texas - Class IV shingle or a cheap 3 tab that will need replacement the first golf ball sized hail storm that rolls through, thoughtfulness that went into rain runoff/drainage etc then use your judgement.Are the interior doors cheap hollow core synthetic materials with an engineered wood frame or did they use solid wood frames and MDF for the trim or did they use a quality hardwood less prone to damage like Oak/Ash etc.I'm probably going into too much detail, however I pay attention to small things like that as in this new construction build I want to idiot proof as much as I can.

They also make a synthetic paper that is stronger and better than roofing felt,,tar paper for the golden oldies like me....

I bought synthetic mattress covers that are supposed to take care of this, however I did see this product on shark tank:https://buggybeds.com I've never had any "bug" related issues in 3 years.Mike