How do presales work in BC?

Hey everyone! I’ve been looking into how presales work in BC and came across Sky Living’s pre sale Surrey opportunities. From what I’ve learned, presales let you secure a condo before it’s fully built, often with a smaller deposit structure spread over time. This gives buyers a chance to lock in today’s price while the property appreciates during construction. Has anyone here purchased through a Surrey presale before? Curious about your experience with Sky Living and whether it’s worth the investment for first-time buyers.