Hello ! I work for Zynga, the brand that first started FarmVille. If you do sell your wishing well, a bill will be sent to you, asking you to pay a fine of 50,00$. Since we accessed your account when you first started to play FarmVille, we know where you live and who you are.
pineapple
when you harvest, they are automatically sold.
Farmville flowers last for 16 days from the time you placed it on your farm. After that it will droop and all you can do is delete or sell it for 0 coins. You can share your harvested flowers to your neighbors. It's also a good item to decorate your farm.
Buying hay bales is one way to level up faster, per Zynga's blog posts. You don't have to keep all of them. Once you level up, sell them.
buy bushels in your friends markets and sell them
Yes.
You cannot make buildings cheaper on farmville. When you go to the market to buy any type of building, the price listed is the only price available. When you sell items, the price is asks you to sell it for is the only price available to sell it for.
this tree does not harvest. you can sell it for 250 coins.
Yes
You will receive coins for free in FarmVille on Facebook whenever you harvest crops or sell animals or buidings or trees or decorations.
Sadly you can't. You have to sell items one at a time.
the fuel is always in your gift box until you decide to use it on tractors or other vehicles, however you can choose to sell it like any other gifts but unfortunatly it is not worth any money!