being realistic is different, then being dedicated.
people drawing stable monthly income [ pay cheque ] have very small aperture to accept & tolerate on their expenses as in mandatory expenses & leisurely expenses PER MONTH.
NO business on planet earth start generating 'profit' in 1st 390 days. [ remember drawing expenses from capital investment can not be attributed as INCOME or PROFIT ]
A business when established need to root and get recognition in the locality / customer base, comes the growth in credibility, credibility & returning customer makes it self-sustaining, later comes profitability. This is base rule applicable for pan ka cabin , as well as buying a Costa Coffee frenchise.