I'd like to highlight the "carbon steel to carbon steel" advice you have received here. Galvanic corrosion can be a problem, particularly if you ever drive on salty roads or near the ocean. It's possible to mix metals of course, but there are precautions and best practices to control corrosion. I used stainless steel screws to hold our aluminum frames for example but filled the holes with calk and used rubber washers. Here is a good introductory article, but there is lots more on the internet: How to deal with dissimilar metals
Oh, our Trillium
is also small. I get by with one scissor jack in the trunk of our tow and some blocks. A little more work, maybe, but simple!