Resale values - Houses and land have always been considered as good investments. When people get money ahead, they commonly invest in an addition or re-doing the kitchen, bath, etc. Occasionally a seller will take extended terms at slightly above U.S. mortgage rates-payments to be made to a U.S. bank. This can happen if the seller has moved to the U.S. Other types of owner financing are rare. If found, they may extend for only 3 years or so, with the usual interest adjustment clauses.
Many agents speak English.
Using their service is well worth the money. All professional people charge published rates, which have been approved by the professional association to which they are members. Ask to see the published rates. There are some gated communities. Personal safety is considered higher in the M rida area than anywhere else in Venezuela-comparable to stateside.