They are basically right and you are wrong. Perhaps a deep in the weeds law student might see a difference and prefer that they say “bank transfer”.
But it is how I would expect a client to respond to this question. I’m not sure why this bothers you
If everything you have read or watched tells you to “just start and figure out problems later”, not only should you be listening to your wife but you should ask her for suggestions on what to read and watch.