LSBAuctions can't be beat. They come pick up your firearms, do all the research, take the pics, post them on gunbroker and charge 25% for firearms (more for ammo/accessories). I've used them multiple times for both large and small quantities of firearms. Their sister site in Cody Wyoming are...
I had my eye on this auction, but don't really need another one. It looks like it's in really good shape. 20" long tube.
https://www.gunbroker.com/item/1019982677
They must be in need. Help them out and give them more of your stuff. Toss them your bowling ball, a hot mug of coffee, the fireplace poker, a barbell. There are so many things they probably need tossed at them.
Hypothetically, in MD, if you had a weapon in the house that they are squatting and they found it, it is likely you would get charged with giving them access to your gun or some crap like that.