Hello, SkyFlower.
Thanks for sharing your thoughts here in the Community.
Let me route you to this article for more information about the PayPal features: https://community.intuit.com/articles/1601041-paypal-on-e-invoices-faqs.
You might find this helpful in considering using Paypal payments on Quickbooks invoices.
You can also check out this link in setting up PayPal for the first time: https://community.intuit.com/articles/1146124-sync-with-paypal-first-time-setup.
Please drop by again if you have other questions. Wishing you the best for your business.
