Is there a shuttle servive provided if i bring my own kayak?

Yes

When I went paddle board & kayak rentals were $10 an hour Upstream and then something like 45 bucks an hour Downstream with a shuttle

Yes, you have to buy a ticket.

Yes the shuttle bus

Yes you do !! you go down the river, and they bring you back to the parking lot you have to purchase the ticket. .

Yes you can purchase the shuttle ticket.

Yes, if you go into the office you can pay for the shuttle. The trip ends ar the parking lot, so only a shuttle up is needed.