Take the step and you'll never go back Green beans and a popcorn popper will do the trick to start, cheaper and better
I was just going to throw them in a skillet
Go with the popper no work, and honestly after a couple batches will look like pro job
If you're in the US https://www.amazon.com/Unroasted-Specialty-Responsible-Consumption-Roasting/dp/B09RKSF5S8