Unless new homeowners have someone in their court advising them, quite often, they are not even aware that they can avoid mortgage insurance with a simple affordable strategy.
Assumptions made in rent vs. buy comparisons have psychological consequences which are usually ignored (For example, can one really rent and have the discipline to save monthly?). Understating the psychological consequences is as important as understanding the financials of rent vs. buy.
Buying a property with a combination of equity and mortgage is actually leveraging your own equity. Leveraged transactions hold significant potential benefits and, more importantly, significant potential risks. It is important to understand why leverage is the source of these risks and benefits.