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Now I get your point and understand more better , in any circumstances selling should be the last alternative, so it’s important we make provisions for emergency and revered fund, that can at least sort out our expense and sustain for a while until one gets another job, or if unforeseen circumstances occur our reserved fund can help out , at the end our desire and target of long term investment can be achieved .
Even if we do everything perfect, we are still not guaranteed to make profits - even though if we engage in strong cashflow management practices, then it becomes less likely that we are going to be easily shaken out of our investments based on sloppy practices.
I totally agreed , nothing is guarantee , even having a strong cash flow management, there will still be uncertainty which involves our investment, so profit and lost is not guarantee ,but all one need is good managerial skills to less our risk in our investment so that we may not be shaken out of our investment.