Honestly, there are plenty of great, budget-friendly options out there. Some companies even specialize in making all sorts of display materials, including things like these
https://displaysolution.ca/trade-show-display-booths/h-line-modular-displays.html. I really think if you’re committing to participating in an event like this, it’s worth investing some money in it. In the long run, it’ll actually help you promote your business and attract more new customers.