Thanks a lot for your help! here are the responses to your questions:

Well what cables did you use? The ones that came with the inverter

https://www.amazon.com/gp/product/B07RSB6PMN/ref=ppx_yo_dt_b_search_asin_image?ie=UTF8&th=1

how did you wire things up? (wiring diagram)

Solar panels connected to charge controller. Battery connected to charge controller. battery also connected to the inverter.

What fuses did you use and where? Didn't use any fuses :(. Any recommendations on if I should use any, which ones to use and where to put them?

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Really appreciate any help you can provide!