Sure another tip for you,
Spend your XMR (withdraw) in parts; don't send everything at once to one wallet in a large volume. In the blockchain, most transactions range from 1 XMR to 100 XMR; other volumes will stand out significantly.
In fact, this won't really help, because the transactions are confidential, meaning the output amounts are hidden. For reference, take a look at this transaction:
2fe46d3a8c5b0df6de60e248d135b07eb2b04fd63f31d16cba45ceee210ee785.