DAW5 How often are you using it?

As the title says. Prior to working in 340B I never considered using it. But are your pharmacies using it all the time or just certain cases? We do a virtual replenishment inventory so I don't think it would be worth the extra up front costs on most NDCs. Wondering if we should be utilizing it more though. Especially for commercial patients who's insurance wants generics instead of brand. Can we then apply a brand name coupon? Like Farxiga or Symbicort?