Remove MSC name or client brand from your post.
Follow through with your shop applications by shooting an email saying "I've read the guidelines overview available, and am committed to performing this shop on X date. Please assign this shop to me. I won't let you down."
Plus, end of month shops, they're trying to meet deadlines, and most schedulers will give preference to a more experienced shopper then. They're more likely to give you a chance when there's still plenty of time left to schedule a reshop if you flake or your shop gets rejected. Sucks, but it's true.
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Plan the work. Work the plan.