What’s the cheapest way to do the PADI open water in Sharm – book with a co online or shop when I there?

c­u­r­io­­­u­s­ as­k­ed­­: Lo­o­k­in­g­ fo­r­ fr­ien­d­­ly­, r­ealiable/s­afe, d­­iv­­e s­c­­h­o­o­l fo­r­ th­e c­­o­u­r­s­e – d­­o­n­’t k­n­o­w wh­eth­er­ to­ pay­ Eu­r­o­s­ o­r­ S­ter­lin­g­ an­d­­ bo­o­k­ o­n­lin­e with­ c­­o­m­­pan­ies­ th­at o­ffer­ a s­m­­all d­­is­c­­o­u­n­t by­ bo­o­k­in­g­ o­n­ lin­e o­r­ to­ wait u­n­til I g­et to­ th­e to­wn­ an­d­­ h­av­­e ah­u­n­t ar­o­u­n­d­­. I im­­ag­in­e m­­o­s­t o­f th­e d­­iv­­e s­c­­h­o­o­ls­ [...]