It depends on what you are upgrading. If you are upgrading the hard drive or generation to a higher generation or hard drive capacity, then it will cost you money. If you are upgrading the software, it will only cost money if you are buying the 3.0 or 3.1 software.
yes, it does cost money. when you click - "Upgrade now" then it will give you the priceing list.
absolutely nothing
You can buy one without an upgrade but it will cost you a lot more money
no, it will always cost money.
Because, in most cases, it costs the developers money to produce them.
No, it only costs if you wish to upgrade to the premium version.
No, asking people for an account upgrade is free. However, the person who receives the request would have to pay the usual price in order to upgrade your account. The point of asking for an upgrade is that it allows people to give you a gift of BC.
No; that's why they are called "free" apps. Some are truly free. Some use ads to cover the cost of the app. If you want to get rid of the ads, you have to pay for an "upgrade". And some apps cost money and do not have a free version.
In terms of updating the console system software, it does not require money To upgrade from a 3DS to a 3DS XL (aka buying a 3DS XL) will require money
A QuickBooks upgrade cost is $19.99 for you to get the next level of service that you need and not have to buy a whole new system and just the upgrade which is clearly cheaper.
No, you won't be charged again for reinstalling the app.
No, updates on Minecraft are completely free. Once you purchase the product you do have the option to upgrade or not if a new version does come out.