Subscription: GreenBlender Cost: $49/week; $176/month; $468/quarter Cycle: Weekly, Monthly, and 3-Month Features: Ingredients for 5 smoothies (10 servings) I have a go-to smoothie (avocado, chocolate coconut water, kale, and banana) that I make for breakfast on non-work mornings. It’s simple, but I know that I am going to get something that I can trust to be good and have the ingredients for. The problem is that I can sometimes get a little bored with this concoction and…