Which is Best & Cheaper: Single Phase, Double Phase & Three Phase ? How to select single phase or 3 phase connection for your home?

Which is Best & Cheaper: Single Phase, Double Phase & Three Phase? How to select single phase or 3 phase connection for your home?

In this article, we discussed What is single phase, double phase, & three Phases? Whether to take a single-phase or three-phase connection at your home? On what basis do we decide to go for single-phase and three-phase? Single-phase or three Phases which may be greater electricity bill? Or whether the three-phase connection is expensive or not? When do we have to move to the HT connection for a load? What is LT, HT, MV, EHV, etc?