On further speculation

I measured fabric need to make the chair coverings below
I calculated that any expenditure is = to the cost of the rental.
Now if you were going into business for yourself after the first rental the return would be 100% thereafter. Do I want to go into business for myself? Hmm NO. But it would be interesting to accumulate these homemade projects and instructions into a format that anyone can use perhaps another website for Projects on the CHEAP by Jane Low................................