Keep the throws on low, take it up high and just get a feel for the plane. Get to know the high and low speed response to controls. LEARN THE STALL SPEED AT SAFE ALTITUDES BEFORE IT BITES YOU IN THE BUTT AT LOW ALTITUDE! (seen several planes go in on final during "maiden" flight.)
Make sure you land before you burn up all the fuel.

Be prepared to use the rudder on takeoff. Remember low wing planes don't float in like high wing trainers.

Other than that make sure all connectors are secure and everything remains tight after each flight.
Have fun and good luck!