Car dollies

I purchased an Acme EZ Tow not quite a year ago. The dolly works well but the quality is not what I thought it would be. I took it out of storage today and it was all rusted!!! The sad part is I keep it on covered storage so it does not have to be exposed to the weather. Here is what they said when I sent the picture of my less than a year old dolly: "Tow dollies always have this issue versus trailers if they are painted or powder coated. This is due to the tires from the vehicle you are towing on the tow dolly as well as the debris from the motorhome. We use a two in one primer/paint as the individual primer and paint process is not practical for our manufacturing needs. Most of our customers simply touch up the paint before storage with a can of high gloss black indoor/outdoor paint that you can get from any local hardware or auto parts store. This way it will keep the tow dolly looking new for years to come." The fact of the matter is I have one friend with a Master Tow and one with your Chinese special, and both are kept outside and both rust wise are in better shape than my EZ Tow that sees no weather at all.