This GTA5 cheats or Glitch already confirmed by 5 forum members that really works, to buy heliport, garage, airport and many other, you must follow all the instruction before succeeded buy properties for free in GTA 5 this is the step by step:
1.You must have the money that cost the property
2. Go to the property then get out from car right where the option of purchasing is enabled
3. Purchase the property and then immediately getting into the car, until it charge the money.
To make it work with properties of weekly earnings follow this steps
1. buy property
2. while property presentation running press start
3. select repeat a mission
4. at the end, you appear in the property or it’s mean yours now and money in wallet.
this is the video URL :http://www.youtube.com/v/WMnQpCLus04
This glitch/cheats found by batusair and available at youtube and gta forum, if you already try all the step to get properties for free but still not succeeded you can try another gta 5 cheats below