According to the S2F model, the BTC price might hit $100,000 by the end of 2021. The S2F model considers BTC as a commodity like gold or silver. It considers the existing supply of the cryptocurrency and the mined cryptocurrency and predicts the BTC price. Click here to know more
https://coinpedia.org/news/max-keiser-predicts-bitcoin-at-500k/Don't trust on any model and any forecast, it is your capital it is your decision and your family depends on you and your decisions.
There are always many things that you can never be able to control by yourself. A good model will not work in manipulated conditions and you will lose your capital by believing in a model and make your decision based on it.
Don't trust and always have a plan to move backwards to protect your capital.