Starting off with a clean slate is much easier than trying to work around other things going on. Now that the trailer is moved, there is some preparation to be done.
Moving the porch structure, and piling up the gravel that used to be under the trailer is a way to clean up and get ready. The gravel will be used for other projects; the porch is one of the only dry spots for meals and breaks.
Once the mud dried out a bit, the soil is easy to work with; a mixture of sand and silt, with a few larger nuggets thrown in, laid down by glaciers.
What's the next step? Excavation of the footings...