Polly tunnels

[Chick]

Hello, hope you lovely people are well? My name is paula and this is all very new to me and I'm not sure if I am in the right place to ask.....maybe someone could point me in the right direction. I work for a large hedging company which I love.....6 months ago I was given the responsibility of seven pollt tunnels. I have and am finding this very overwhelming as I have never looked after so many new plants....my question is would I need to do my RHS level 2 or is it recommended for this large scale of plants? I have been shown briefly but I find it may be too much for one person. Any advice would be so lovely. Thank youx