Well, shooting them counts as using them as well I guess.
I'll be honest if I was not left handed I am sure I would have many more rifles than I currently have. It is very rare that I give into impulse buying due to the fact that almost all rifles being offered for sale are right handed. All, but one of my bolt rifles are custom ordered. The only one that isn't is an Anschutz .22 that came from the factory left handed.
My latest impulse purchase was the left handed Heym 88B in .500 NE that was basically unused, but I was already looking to purchase a double rifle and had been doing research on manufacturers. A few days after I looked at Heyms and realized that they made left handed stocks etc., I ran across the advertisement at gunsinternational web site. If Chris Sells had been in the office and answered my phone call I am sure I would have placed an order with him. So, it was fortunate that he was unavailable. I got the rifle now instead of waiting 8 months or so.
The original intent was to take it on my 28 day hunt in 2022, but now I can spend enough time with it to take it this August if that hunt happens.