Quote from: Mee Sa on Today at 12:57:30 PM

But the fees will still be calculated using all inputs??

Bitcoin transaction fee is calculated by the formula

Transaction fee = Transaction size * fee rate.

Fee rate is what you choose, if you use a non custodial wallet.
Transaction size depends on your inputs and outputs: number of inputs, number of outputs, and address/ transaction types of inputs, outputs.

Some transaction size calculators

Read my guide to save transaction fee with Electrum wallet.

Minimize your transaction fee with Electrum wallet