Some of your marketing channels won't allow you to use excessive content. Such are:
Thank you notes
Social Media Posts
...and more. You might think it's easy to put a few sentences (or even a few words ) together, but can you incorporate the problem you solve, how you solve it, your brand voice and a clear call to action in them? I can.
Give me more information about your business and the marketing channel you want to use for your ad, and I will write a 40-100 word ad that will blow you (and most importantly your potential customers) away.
I know how to make your potential clients want you.