Various lengths of split cedar rails from cedar fence lines.
Lateral pieces being, 12 foot, 10 feet, 8 feet and your pyramid pole verticals being about 5 feet on average.
Prices vary by length and quality
12 ft PCs are 7 dollars, 10 ft are 6 dollars, 8 ft are 5 dollars, 5-6 ft pyramid poles ask 3 dollars.
Can deliver small orders to the GTA potentially but the 12 foot lengths will be difficult