How to build your own kayak cart that is lightweight and floats for $25. Purchase plans from this site. Appears to be made of push lawn mower wheels and axel surrounded by a configuration of PVC pipes and elbows. Covered in foam; that looks like a dollar store pool noodle. Add a web strap band to hold kayak to the cart.
Swagman Tajo Wall Mounted Kayak Storage System Swagman Watersport Carriers S65146
This wall-mounted kayak rack is perfect for your shed, garage or storage space wall. This space saving storage system features 2 cradles with protective padding and 2 tie-down straps to hold your kayak firmly but gently in place, and folds flat against your wall when not in use.