I think the difference between a VA and conventional employee is the idea of specialization and frequency. Doing VA work I have to do all things ranging from graphics design to support to crm stuff. Now, I am not the best guy out there to be great at one thing but I will try to be adaquete. The lack of specialization is made up by the fact that VAs are cheap, and you do not have to have that commitment to keep paying for them. If it is a 5 hour work week that will do.

These days, I just have my clients on whatsapp. They give me a random task, I give a deliverable time.