During my Nepal
trip, I visited one of the most famous Buddhist temples in Katmandu. After finishing the tour, I was coming back to the vehicle with a friend since we had a plan to visit another temple as well. While we were on the way, a Sadhu offered us a yellow thread. He was asking our hand to tie it, as a Buddhist, I would love to get a chanted thread in the wrist from a monk/ Sadhu. So we both gave the hands to tie the thread thinking it was a gift from this holy man.
After tying the thread he asked "Money, Money? ". Then only we realised that he didn't gift it. He said 1000, but we had only some 100 notes and left immediately. It is better to avoid these fake holy men trying to rip you off at temples for holy threads or holy water.