In the future if you have one btc and it cost 40k.
Then it means in 7-10 years about you dont have one btc
But...you have 40k btc as in the future we dont count value by fiat currency the crypto will be the currency.
Those who got crypto will own everything.
It means with 40k btc you have purache power 40k x 40k=? A lot lambos a lot lands a lot mansions.
Forget about Lambo and mansions as 7-10 years from now you 1BTC isn't enough to have one of them unless you sold your BTC or unless if 1BTC is worth $500k. Well, that sounds impossible, right? I'll just be predicting it reach $200k if the demand will tend to improve as well as the adoption but if not, we can still see it below $100k.
To imagine that 7-10 years from now Bitcoin has become a legal tender is gonna be possible but not all countries will adopt it. So, if you are in a country that accepts Bitcoin, then you're too lucky.