What's the Most Surprising Thing About Marketing?

It's very hard to attribute your marketing efforts to closed sales, because there are so many moving parts. I think getting into marketing so many years ago, i thought it would be very simple to execute a marketing campaign and be able to say that it caused a 22 % growth in sales over six months. But in b to bts, it doesn't work quite that way. Yes, it's hard to measure the entire track of getting in front of somebody to lie close revenue in the business. But i imagine you have some like a skillset benefit to knowing finances deeply. And being in marketing has served me well,. Being able to understand a pianl being able to see and manage costs