For the design? The downside is that you could end up with a very generic looking application/site. It's also not your (or your developer's) code so there will usually be a period of time required to get used to it in order to make any adjustments. In the end, it may not really save you that muc...
I have been working for startups as digital marketing for over 15 years. I would need to know more about your business to give a proper answer but depending on the product / service maybe you need to engage in sales or biz dev. In order to scale, you need to either add more offerings, get your ...
Are you looking at this subject from a marketing or management of growth point of view? In other words are you asking how to grow or how to manage and track growth? Michael michaelirvin.net