The buyer's" ability to obtain adequate financing. Appraisal at an agreed upon amount.

Further inspection during which the buyer may bring in experts to determine the condition of the less visible aspects of the property, such as plumbing, wiring and foundation.

Approval of the preliminary title report, which may reveal encumbrances or alter the description of the property.

Sale of another property usually to free the buyer's funds to complete the purchase.

Let your agent help you; experienced agents are used to dealing with contingencies.