One solution for you is to go to another marketplace.
That’s great one thing tick the notification box by default as many customers will not notice it.
Got my first sale and I am very happy
I don’t know if including a C4D file within an item for sale on GraphicRiver is allowed by reviewers. But my suggestion is to upload the file separately to 3DOcean. Clients searching for it would understand its value better. If you upload it with an item on GR and got approved, it would be just like a bonus value to your main PSD files . My 2 cents.