Old Man's Advice On how to achieve anything (MCU SI)

An mc who wants to be on the side lines and be the old man who gives advice for a dollar. mc travels to the mcu with only a customised body which looks like a huggable guy in his 30's without anything but clothes of a homeless, some wigs,fake moustaches and colours for disguise, a piece of cardboard and a marker, so he decides to be the homeless guy who gives advice for a dollar to anyone, let's see how he brings big changes in the world 1$ at a time. |sorry for the grammar i don't really know how to write in english I'm just winging it as it goes and this is my first chapter so even if it is worst I'll still try to write it but it would be irregular and I mean I'll write a couple of chapters a day an then won't come back for a month so don't expect much |