To a householder the performance of sacrifice is fraught with impediments. For this, that mode of life is described as exceedingly difficult and unattainable.
गृहस्थाश्रमिणस्तच्च यज्ञकर्म विरोधकम्। तस्माद् गार्हस्थ्यमेवेह दुष्करं दुर्लभं तथा॥