How comfortable are you with maybe having to clean a little biological matter up after your tenants "leave"...
Cause I know a guy who may be local to you that sometimes handles these types of problems...
Removing the stump? I have a much smaller stump I'm thinking about tackling at some point soon.
I took a scrap piece of maple and did a quick inlay pocket so you will have to imagine the walnut inlays but here is an idea how it would look.
While you are working on the board, I just visualized a TW Wafflemaker