Pay $2000 to a local school to host a time-capsule event where all the kids write letters to themselves for 40 years from now. Pay another $1000 to dig a hole

Pay $2000 to a local school to host a time-capsule event where all the kids write letters to themselves for 40 years from now. Pay another $1000 to dig a hole in the school yard and put a proper decorative cover on the thing so people remember to dig it out when the time comes.