In short, holding btc long term will probably make money. But holding alts long term is more likely to be better. Alts are cheaper and the risk can be spread. Not true with btc
yeah long term holding btc is much more profitable and i also make a good money from long term investment i bitcoin with low price and then hold it for the future and i hope i will be get a big profit in the future from bitcoin.
Long back itself users were speculating that bitcoin holding for a long time is profitable. Now it has been experienced by the users. So users will starts holding bitcoin with assured and better trust that holding gives them the profit. Moreover no one losses on holding.