Quote of me.
transaction which has 19 inputs 19 outputs pays 1 satoshi fee
Should be be a little bit more than 3000bytes.
So how much do you ask?
I am not sure, that sending 200 (300, 500... and even thousands) transactions at one time (through the different nodes of course) will change anything in network processing.
WE WILL SEE. After you create a program that does so.