You couldn't get well-pump Amps alone (usually 220V.) let alone fridge, blower motor for heating, etc. etc.
Ditto for most-all solid-state inverters extant: Only-the-Rich need apply.

It's merely epaulets for the Conspicuous Consumer, (like a Tesla to go shopping in-mufti for, the next two? five? years).
As said to Æ (as amateur violinist):
Waht's the matter, Einstein--can't you count?