ポスティングのバイトしてるけど質問ある？

I've collected and compiled real opinions from people who work part-time as mailers. I think it will be helpful for people who are thinking about trying mailer part-time work. I think the video would be of higher quality if people who have experience as mailers (part-timers) could comment with their own experiences, so please do so if you'd like. Also, I would appreciate it if you could point out any incorrect information in the video.