&quot;are increasingly spreading to barbers, cosmetologists and even landscapers. &quot;<p>There&#x27;s a reason for this: We don&#x27;t want inexperienced people making big mistakes and causing problems for the average consumer (health wise or monetarily).<p>It&#x27;s not that difficult to get a license in any of the 3 things that were mentioned.  I know many people under 25 that did just that without much trouble.