Economy predictions — how much will a house cost in GTA 6?

In GTA 5 the most you could pay for a property was about $150M. The game's economy was obviously busted. Let's hope GTA 6 begins with realistic prices - maybe your starter apartment is $50k and you work your way up to a $5M mansion. Properties should feel earned, not grindy. What price range would you want for the in-game economy?