The more the inputs and outputs, the more the fee. The second output will likely be the change address (the address you will receive your change). The difference in the fee will be minimal.
The output is the number of addresses that you are sending to. If your coin has change, it would be sent to the change address.
I can't understand the part that is in bold. I don't understand, I'm confused, sorry.
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If you disable 2FA, your wallet would be still a 2 of 3 multi-signature wallet, but with two master private keys.
Of the 2 master private keys, one of them is for my receiving wallet address, is that correct? and the other one is?
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If you want your transaction to include only 1 output, you should spend the entire balance of selected UTXOs, so that your transaction doesn't have any change.
So what I need to do is just send the maximum amount of the current multi-signature wallet to a standard wallet, right?
Thanks again for the help.