Let's cut out the personal attacks and one-upmanship and talk about real estate instead.
When jitman runs out of arguments it always results to personal attacks. Just like when diplomacy ends, vilolence starts. Again it illustrates my point.
Yes selling a presale assignment can be taxed, anytime anything trades hand it can be taxed. Selling lemonade on the side of the road can be taxed. When you buy a used car on Craigslist and register the car you must declare the value and then its taxed. Most people cheat and declare a lower value.
My point about taxing a presale is, without setting up a very complicated regulatory system it's impossible to tax.
When you enter a contract on a presale, you have the right to purchase the property at a future date and a fixed price. Your right can or cannot be excersized.
If the market drops you can choose not to buy it.
Now when you sell a pre build. No property is changing hands. You are selling the right to buy that property.
How will you tax it? There is no intrinsic value of the contract, its the right to execute at a date. Its like a futures contract.
Now what if someone holding onto a pre purchased condo and the value goes down. Should they be taxed as well?
My whole point is, its impossible to tax the transfer of the contract.
All you can do is ban foreign ownership.