I suppose I should have looked at the OPs profile before answering but I didn't. If I had I would have saved my breath, I didn't say anything that was not already known.
Being aware of a persons capabilities and experience makes a difference in any recommendation, especially as it relates to seeing a difficult job to completion.
Fwiw... I have no problem with cutting up a mass produced trailer.
My responses prior were written as if I was responding to a DIY guy starting out on a road that is going to be more difficult than a person might think.
Anyone who has been around projects knows well that our nation is littered with ambitious projects that don't get ever finished.
1/2 Ton 4WD Truck, 72
Sovereign Hensley Arrow