Bus and taxi service in Siguatepeque is so convenient that many residents who could afford to drive choose not to. About half the teachers are North American or British. The post office reliably provides all basic services. Public and private fax services are available. Several major banks maintain branches in Siguatepeque, offering accounts in dollars or lempireas.
Currency exchange is no problem.
You can then repeat the process upon leaving the country for three days. Requesting a residency permit before coming is unnecessary. Even if you plan to buy or build, rent for a while and make a more informed choice at a better price. If you speak Spanish, personal scouting and inquiry will result in the best deal. Alternatively, you ll have no trouble finding attentive agents.