Is it ok to use clones,or is it frowned upon?

Hi, The situation and the terminology can be confusing. See:

What About "Arduino Compatibles, Arduino Derivatives, Arduino Clones and Arduino Counterfeits" ?? Down aways on this page:

https://arduino-info.wikispaces.com/Arduino-YourDuino

My opinion: Clones that are not Counterfeits are OK.