"No, not like the one that your mom has with naked pictures of you as a baby. Keep a digital collection of examples and resources from other companies that provide inspiration and ideas. "
"If you don’t have a swipe file already, the first tip I want to leave you with is simply this: start keeping one. It’s so much easier to copy an existing framework than it is to start from scratch."
You should build a database of great ideas, examples and strategies, it will make you a better marketer.
If you have the 100+ spare hours, you can start from scratch.
Hubspot Ideas will give you access to a curated list that you'll be able to use directly and start building your own list on the side.
Hubspot Ideas - Pre-sale price