There just isnt enough infrastructure with high enough returns to make it worthwhile. There was no marks on Thipruksa after the monk was done. For now, U. crude is looking especially attractive to buyers in Asia.
When it comes to undo, I think you give yourself more options, by knowing more, thus I do not see it as cheating.
One thing is certain in all of this: it is a labor of love. It is a business that just has sprung up, in the last few years. What an interesting Hub. Being a bit of a pack rat, I know I have a few old cell phones around gathering dust. Other options such as taxing gains on property wouldnt have achieved the desired results, demand would have outstripped supply further and caused prices to rise to account for the tax in order to reach an equilibrium.
Obviously, players would have to pay an entry fee. The answers are not always based on objective calculations or controlled experiments, but provided by players on various levels of experience and sophistication.
As you can see there's enough here to easily fill a 7ft by 6ft table, without much room for roads or open spaces.
You can read the full story of why Im doing this in my Introduction post. This is why it used in phones and computer components.
This is the classic computer version of spider solitaire that first showed up in the 98 Plus Pack by Microsoft that came with Windows 98 and since then remained part of subsequent Windows releases.
So the first game was a little distorted.