In 2007, the local gym provided me with free towels, soap and plantar warts. Following an at home freezing wart treatment, then shots from the doctor; I was left with no other options but surgery. Luckily, I discovered an online solution of apple cider vinegar and duct tape (like this one: Link. In 1 week, I was wart free and it cost about $5. I did experience a little bit of pain the first two nights as it was dying, other than that, it was simple and didn't leave any scarring.
Original state. 3 warts.
After 2 days of treatment.
After 7 days of treatment.
The culprit.