Anthony Robbins often says that success is the product of one of two scenarios: inspiration or desperation. There's massive credence to that statement. Clothier was desperate. He had no choice. He wasn't willing to settle for a life of mediocrity, so he figured it out and marched forward, applying persistent action every single day, getting better and better.
Take it seriously. Yes, you’re applying for an online job. Yes, you can do the work in your underwear, but that doesn’t mean it’s not a “real job”. You must treat it as such or they aren’t going to treat you as a serious candidate. You aren’t the only one who wants to work in their underwear. In fact, the competition online is likely higher than it is in your local area.