What is a lump sum investment?

Definition of ‘Lumpsum’ Definition: A lump sum amount is defined as a single complete sum of money. A lump sum investment is of the entire amount at one go. For example, if an investor is willing to invest the entire amount available with him in a mutual fund, it will refer to as lump sum mutual fund investment.

Who is most likely to advise that you do lump sum investing? 

FAs. No?

Unlikely your close friend or relatives who are active investors themselves won’t dare to suggest that you go and do lump sum investing?