Depends on their level of conviction if they've figured it out and confident they won't crap themselves and dump if it rips down 10, 20, 50% I guess smash buy can work, but conviction isn't built in a day, DCA is the palatable orange pill for most folks, that gets them hooked on the process and benefit of moving over to a bitcoin standard

I fear not the hodler that buys $10k in one go, but the man that has bought bitcoin 10 000 times