Amelia Basista and JP Stonestreet call 2015 their "year from hell" — the final straw that sent them packing to South America. Stonestreet was 43 and working as a self-employed web developer when he began experiencing strange nerve pain in his hands, feet, and legs. After a frightening afternoon when he found himself struggling to walk, he got diagnoses of congenital spinal stenosis and degenerative disc disease, conditions that required two major spinal surgeries to correct.