All the human limitations of trading (greed, fear, ego, etc.) can only be tested and put under control when real money is at stake.
Zonke ukulinganiselwa komuntu yokudayisa (ukuhaha, ukwesaba, ukuzazisa, njll) kungenziwa kuphela ihlolwe bese efakwa ngaphansi kolawulo uma imali yangempela kithi kusengozini.