$70 seems a bit steep for a 1 day evaluation of a player. I am a club coach and wont waste some players time nor money to give them false hope.
I will go out to any field any day and for $20 only, i will tell your kid if he/she has what it takes to make the state ODP team. You can keep the $50 and buy me a beer next time you see me.
Good luck to those who do not heed my guidance.