I use this kinda wobbly pull up bar, and you can find it for cheaper too if you look around. I usually just hang rings on it and do my exercises there
Depending on where in canada you are... do you have any friends in the US who could order from amazon.com and you could drive to pick up the equipment? I see for e.g. this at about $130 and that at $150. That on amazon.ca is CDN$585 which seems like one hell of a markup for crossing a border.