What plan should I use?

Hello, I am wondering what the best plan is for me. I’m starting a marketing agency where I will be regularly making a website for clients. The plans are quite confusing for me. I just need to be able to create a website for a client without webflow in the link or any watermarks from webflow. Just a clean website. I will also be making multiple websites for multiple clients. Hosting it somewhere else would not be a problem.

Can I later also easily upgrade to another plan if I want to?