You could cross your fingers or you could get a home inspection
Buying a home is a huge investment. I would suggest against crossing your fingers, hoping that there is nothing wrong with the home. For your safety and peace of mind you should definitely get a inspection of the home you are thinking of buying.
Home inspections are inexpensive when compared to the thousands of dollars you may have to pay for repairs or replacements of mechanical items in the house that went unnoticed prior to closing of the home.
Interview home inspection companies in your area. Compare home inspection prices, ask for references of past customers and make sure they are knowledgeable and qualified to provide a professional opinion of the major mechanical items in the home including, electrical, plumbing, wood rot, roofing and heating and air.
Leave the finger crossing to gamblers, when buying a home, get a home inspection.