Rumour of early snap election

There are some noises that an early poll could be called judging from
the visits by ministers to residents. I can’t confirm this but are there
reasons for an early premature poll? It is something that would be
frown upon as a waste of money and time of the people when the last GE
was slightly more than two years back. The calling for a snap poll must
need a very good reason to do so. And