How do I accept payments without fees?

Hello there, I'm curious about how one can accept payments without any fees attached. In today's digital world, transactions often come with a cost, but I'm wondering if there are any methods or platforms that allow for seamless and cost-free payment acceptance. Could you please elaborate on some potential solutions for accepting payments without fees? Are there any specific cryptocurrencies or financial technologies that facilitate this? Additionally, are there any potential drawbacks or considerations to keep in mind when opting for fee-free payment options? Thank you for your insights.