Regardless of what you do in Costa Rica (even just buying a car!) you need a lawyer. I have used outlierlegal.com for everything from my immigration papers to real estate and even some tax issues, and they have been fantastic. English is spoken and they are clear, direct and actually quite pleasent to deal with. I have called other lawyers only to get weeks of run around and legal babble. So frustrating! Do yourself a favor and check them out. You won't be dissapointed.