According to "Fake it til you make it$,"$ the biggest problem with building a fully functional product $/$ service rather than a $(90\%)$ facade is:

Group of answer choices

Fully functional products $/$ services are really expensive to develop, and you might not have enough money to do marketing and advertising.

Potential customers can clearly tell the difference between a facade and the real productand won't be willing to give you feedback.

The longer you spend working on a prototype or a real product, the more attached you'll become, and the less likely you'll be to accept negative test results.