Good luck and congratulations on new boat.
Break in important on motor.
Drain plug very important.
As others say, don’t put trailer in too deep.
Wait until you get trailer to waters edge before unhooking bow from winch.
Try to go to ramp where not busy so you don’t feel rushed the first couple times.
Get a routine and do it the same so it gets to be second nature.
Good luck.
Chuck
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