Hello Neverlft,
Glad to have you join the Community. I'm glad to learn your business is growing now that you've incorporated your company. I'll be happy to point you towards the right path so you can achieve your QuickBooks goals with ease.
In order to accurately record your transactions, I recommend connecting with an accounting specialist for expert advice. This ensures your books remain accurate while you continue to manage your work with peace of mind. You can get in touch with a professional using this link here. Other accounting professionals are able to see this post in the Community and this will allow them to chime in. In the meantime, feel free to check out the following article that shows you how to: Enter and manage expenses in QuickBooks Online.
Let me know if this info helps. Otherwise, feel free to ask questions in the comments below.