Most larger manufacturers require certification to sell the bigger higher profit systems. We certify techs on all systems and as an owner I get certified myself. Keeps you from being held hostage by employees. Have the employee sign a noncompete (if enforcable) and an agreement to stay in your employ at least one year. Anyone leaving sooner than that could be liable for training reimbursement. Software is put on company laptops so that is not an issue. The certification is what distinguishes your company from trunkers.

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