It says this at the link below.

Select any packages you would like to purchase. You will be directed to the payment screen once your account has been created and you have logged in.
You do not have to purchase a package to complete registration.

I've not joined though.

Sue

Here is a link that might be useful: Join Our Community

The boxes, they tricked me!

No payment necessary.

"Worth" is always determined by the "buyer".
Outside of not viewing the exclusive members forums there really isnt a need to pay to play.
You dont even have to register to view "everything" else

Not a bad bunch of folks there,many are also here on GW
There are several other active sites on topic both in the States and across the ponds.
Seed to dirt,eat screamer peppers,over and over and over . . . :)