Today I had some of that, but not quite as bad as your conundrums.
I got a MIG Hobart Auto Arc 130 and find that the spool to 8 inch size is an option. I have to get the optional adapter to use big rolls, otherwise only 4 inch size.
It does flux core and there is a cup but just slightly different than the gas cup for inert gas MIG and it was not in the box. (I’ll call Hobart to have them get me the missing part and maybe if I can milk the system get the option to use big 8 inch rolls, as a freebee, at least free shipping if I cannot get it locally, they can put it in the same mailing?)
*******found out the gas cup included for soild wire, flux core wire cup not included, so I buy it at the shop as well as the spool adapter when it gets there on order now****
I thought maybe since I got the gas conversion kit and it includes a spool of solid wire for gas, I’d have enough cups (1 from the welder and 1 from the adaption kit) to try the welder out. I know that I can’t use the big roll since I don’t have the option, so using the size 0.030” wire is out (I have tips for 0.030).
They included a sample small roll of solid wire in the adapter kit, 0.024” wire. Great I am thinking. Then I look for matching tip and I have from the same adapter kit with 0.024 wire, but the tips that are in the same box are 0.023”!!!
****************found out from both Hobart and the shop that these are compatable*****
They did thread OK. Numbers not the same close enough with clearance OK***
The good part is that when I got to the place to buy the gas bottle, I only had to twice have to correct the sales guy on the price of the fill. I found regional telling me prices are the same at the dealers.
I was closer to one and had checked the price at the other first. I figured before I would go there I would call and verify this with the second place. The guy did not honor the price and did not like the idea of hearing that first fill after bottle purchase is half price.
I called the first store again to check. I found the price 10 dollars less regular price and also since first fill at half that cost one time still to be the case.
I got to the second store and while I was there the guy twice ripped up the receipt as twice he tried to charge me both things that I said the other store would honor.
F*^
&%.... the same company, why such %&*!
Measure Twice