I’ve found that it’s normal in the Philippines for people to want to work 2 jobs.
I’ve also found that when they’re working online, they really want to work 2 jobs.
I’ve also found that working 2 jobs is very ineffective (for both them and me).
Here are my suggestions for you in dealing with this.
Edit: I made a follow up post to this:
Hiring Filipino Workers Tip: About Salaries, Regions, and Management