This is easily achieved without monero.
If you aren't protecting yourself online before touching crypto, then you shouldn't be touching crypto in the first place.
Cypher punk manual vs automatic transmission.
Discussion
Or do both. Improve your opsec and use Monero.
Bitcoin leaves you open to more mistakes. Even the experienced can mess up. Monero gets rid of, or greatly reduces, whole classes of privacy vulnerabilities like amount analysis and common input ownership heuristics.
True. This is why a darknet bible exists. It teaches all about OPSEC and, for monetary transactions it strongly discourages transparent cryptos and monero is the preferred method