How should i most cost effectivly excavate for this?

20x38ft crawlspace foundation

Addition for my home. Should i rent a 3000-3500 lb mini excavator? For a day or 2 or something larger?

Or do it by hand for a month. Haha

20x38ft crawlspace foundation

Addition for my home. Should i rent a 3000-3500 lb mini excavator? For a day or 2 or something larger?

Or do it by hand for a month. Haha