Make money online: YES

Flipping guitars as a side hustle can be done remotely with ease. As long as you have access to online marketplaces or platforms to buy and sell guitars, you can operate this business from anywhere. There are no hidden in-person requirements involved. People online generally seem to find success with this side hustle, with many sharing positive experiences on forums like Reddit and Twitter. The business's success may depend on your location in terms of access to clients and time zones for communication. Additionally, having the necessary equipment like a computer, camera, and tools for guitar maintenance is essential for this venture. Overall, flipping guitars remotely can be a profitable and flexible side hustle opportunity.