If your Twitter profile is serious and you work for a startup that sends PB&amp;Js to people, I&#x27;m going to go with 0.<p>Put $10k in a Vanguard index fund and leave it alone.<p>Source: <a href="https:&#x2F;&#x2F;twitter.com&#x2F;AirPBnJ" rel="nofollow">https:&#x2F;&#x2F;twitter.com&#x2F;AirPBnJ</a>