First of all, this wouldn't be just the way you use Bitcoin, but the way you access the internet, and how you have your computer setup. Some websites go as far as collecting the languages which you have installed on your local machine. While others just collect information like computer screen size, and agent. So, to keep your identity, and your online fingerprint unique, and changeable you need to always be thinking about changing up your digital fingerprint, and blocking a lot of content on the web. This can, and almost certainly will break most of the websites that you visit.
However, mixing coins is a way to protect your identity, and as others have stated its probably the easiest to do, while also remaining cost effective. This does mean you're still trusting a third party, although some coin mixing services terminate all data after a certain period of time. Although, you can't verify that this is true, and that's one of the issues with several users on this forum. Although, there are some trustworthy services out there.
Another option is to exchange your Bitcoin into altcoins, and back again. However, remember that for this to work you would need to find an exchange that doesn't keep data on their system. The best possible way of doing this would likely be P2P. Although, you're still trusting one person. Anonymity in modern times is very difficult, especially because websites deliberately collect information on their users to either sell on their data, make their website more usable or advertise to them more effectively. Remaining anonymous is possible, but its entirely up to you how far you want to go to achieve that.
Take note that government could identify that you use mixer & it's troubling if the country (where you and your exchange located) have strict regulation.
Are there many countries that have restrictions on cryptocurrency mixing services?
satoshi never spent his bitcoins. that's his secret. it's transacting with other people/businesses that leaks personally identifying information. even purely physical p2p transactions reveal your identity to the other party.
I believe Hal Finney received a transaction from Satoshi as a test back in the early days of Bitcoin. I believe it was 10 Bitcoin or somewhere around that figure. Therefore, Satoshi has spent his coins. His identity might not be known, but his addresses are tied to him, and everyone knows the addresses that he has used in the past. The way Bitcoin is designed, its not great for remaining completely anonymous, because of the way the Blockchain works every transaction is public, and if you are known to send any amount of coins publicly then you're linked with that address. This doesn't mean they know your identity, but you have become linked with an address.
Jet Cash, Satoshi was able to remain anonymous because for some reason he decided to move off-the-grid. What he has done demands a very great renunciation of the modern way of life, in his case the complete breaking of any connection with what he was or did before. There is no doubt that this degree of anonymity can be achieved, but let's be real, 99% of people are not ready for such a step in life.
I think it's much easier to follow the tips from mocacinno, at least as far as coin anonymity is concerned.
I'd have to check again as I might be mistaken, but I believe Satoshi dipped into different dialects, and ways of saying things. For example, he would spell words different from time to time just like British, and American people spell humour (humor) different. I believe he was very aware of the way he went about things, and retaining that for a long period of time can be exhausting simply because typing is quick by nature, and usually your brain is going 110mph, which tends to mean your typing reflects the raw way of you thinking about things. He was very aware of his linguistic style.
Like I said I'd have to check to confirm this, but considering there would have been a few high level media outlets, and amateur investigators analyzing Satoshi's every move, and going as in depth as stylometry.
