It's all explained here: https://www.excelforum.com/the-water...-services.html

What are the advantages compared to the free version usage of the platform ?
You get one-to-one help, but the person will work to a brief for you.

is it faster/better ?
No.

any guarantee of the result or outcomes ?
No.

Also, not all members of the forum have access, so if you post there, you are appealing to a smaller audience.

For the VAST majority of questions, it is not worth parting with your money. Stick with the free forum.

Out of interest, what is not satisfactory for you on the free forum? You seem to get good help promptly.