How much does a smuggler charge to smuggle someone from Mexico into America do smugglers also finance?

How much does a smuggler charge to smuggle someone from Mexico into America do smugglers also finance?Do smugglers also finance illegals trip into America with easy down payments and low monthly payments ? Do the illegals have to sign a contract ? In Mexico what ratio of smugglers are arrested ? Many in Mexico considred smugglers as the guys who bring illegals safely into America to enable them to find work they could not actually find in Mexico ?