That Titanic one is so expensive, I’ve eyed it up a few times ($680 in the U.S., £590 for Brits).
My brother-in-law has a garage dedicated to Star Wars Lego. I’ve got a few kits, but nothing extravagant. Mostly because Star Trek isn’t licensed to Lego I’d have a Lego garage of my own if that happened and we could finally settle the debate about which franchise is better