Due Diligence is a term used for a number of concepts involving either the performance of an investigation of a business or person, or the performance of an act with a certain standard of care. It can be a legal obligation, but the term will more commonly apply to voluntary investigations. When you buy a property, you probably want to secure your money by making an investigation. The type of title deed, the money involved and the use of the property will determine what kind of checking you should do. Due diligence can be very extensive and the process is to include as many of the following investigations as possible: