I can easily afford whatever it takes, but that is not the point. The point is, I won't waste 2,000 USD/EURO or Britsh pounds on just the application for the visa. That would never happen based simply on the principles that it isn't worth it for such a trip.
I have zero interest in going to the UK and eating their mediocre food and being damp all the time. Been there and done that on a work trip. No reason to go back and I know my wife would not like it there.
My wife has interest in Spain and I have interest in Poland to see relatives there. I'd also like to go back to Italy again along the way and Paris is always nice for a day or two.
Well, I think you need to come to the realisation that immigration is a huge huge huge problem across Europe. Politicians talk about very little else. And nobody is getting a visa easily. So if you really do want to go and you really do want a visa for your wife who is a national of a high-risk, high refusal-rate country, then you have to face the facts that you're going to have to invest some money in getting the visa. And a visa which gives access to 28 countries is an amazing visa. And obviously once she has been in once and come back once, the second time she wants to go it will be much easier to get a visa.
Think of the 2,000 as an investment. And as I mentioned, Europe is very expensive everywhere, so this will be a fraction of the cost of your trip.
Just my opinion, I guess you won't agree but it's a forum we are here to share different views.