Spend some time looking around GA is a series of different areas up the hill down the hill carrabassi, puerto marino. Decide which location you want , look at loads of properties , decide on the way you want it to face South facing is great for winter but very hot in summer north facing can be very cold in winter but better in summer. Don’t believe anyone who tells you your sea view will never disappear it will . Don’t believe anything about future developments near you they come and go daily.
Look through this forum there is a huge history of info . There are some good books recommended somewhere on here as well. Get a decent legal adviser I use Andrea Burns who has been brilliant over the last 20 years