I use a 9.5 X 6.5 ATV trailer. Cost $1300. Had small stake pockets added and removable metal mesh side panels made at a welding/fabrication shop. I can use it as a flat trailer with the boat inflated & rigged, or I can put the sides on and use it as a gear hauler. Total cost was about $1500.
"We are all visitors to this time, this place. We are just passing through. Our purpose here is to observe, to learn, to grow, to love....and then we return home."
Australian Aboriginal Proverb