I'm 19 F going to wax for first time pls guide as I'm going to my clg.😭😭

Hello ladies, it's my first waxing arms and legs even though I'm already 19 F 😭😭, I have no idea which company strips to use and how to use , what to do before and after waxing. Please guide me and I'm going to do it at home also is it a good idea to do under arms at home or any parlour cause it's my first time and then tiny blood drops will come out and please do share your first time waxing experience to till now how it's going. Please guide me as your little dumb sister.🙏🙏