They did ,however, leave behind $14million in green houses which were promptly looted and destroyed. These greenhouses were the basis for a thriving export business in winter fruits, vegetables and flowers which brought in millions every year. They also provided hudreds of jobs for the citizens of Gaza. Just think what could have been accomplished with those funds and jobs if Gaza had not become a failed terrorist entity.
from the article: Israeli refusal to provide power may sink new Gaza sewage plant