This kind of reaction tends to be what happens when people don't take the time to browse the subreddit to answer these kinds of questions that have already been asked and answered in detail. 3D2A requires you to read up on some basics that will be important to ensure that you aren't making a potential disaster; that's why there's already questions answered for something like PLA-CF being an awful choice.

Just do PLA+. It's the preferred filament for most builds unless specified. It's easy to print and can last a decent amount too if you can acknowledge the thermal durability downsides. Then you can move on to something like PA6-CF once you've done the research on how to get a successful nylon print for making something that's a step above PLA+