Well I think it depends, but in your case, as you state "our potential hire is excited about our business" and "and willing to work for cheap" so if you can

Well I think it depends, but in your case, as you state "our potential hire is excited about our business" and "and willing to work for cheap" so if you can afford him/her and you think the candidate would do a better job/at least as good a job than you regarding those tasks, then I think it would be a good move, because then you can focus on building a better product.