Fly-by-night in a sentence as a noun

Right now it is a joke, and is how fly-by-night scammers can roll in and out with impunity.

How about a link to the document instead of some fly-by-night web host with a cheesy flash PDF viewer?

He made multiple billion dollar loans to himself through affiliated fly-by-night firms in the offshore.

This business model reminds me of those fly-by-night mobile subscription services from the early 2000s.

In other words, no "fly-by-night" form-filling performance reviews!2.

Fly-by-night in a sentence as an adjective

It seems to conflate all business people into one bucket -- lumping the fly-by-night hucksters and phonies in with the true visionaries.

If I'm going to be handing over my personal information to someone, I don't want it to be to some fly-by-night operation.

This process comes across as fly-by-night dealmaking when in reality, the process was likely long and relationship driven.

If I want my phone to be a piece of my HA system I'll use applications specific that help me make those tie-ins, but I don't want Google, Apple or some other fly-by-night-startup to get in the middle of that.

''You seem persistently to confuse me with someone who merely hangs out a shingle with the word Conversationalist on it, and this operation with a fly-by-night one strung together with chewing gum and twine.

Fly-by-night definitions

noun

a debtor who flees to avoid paying

adjective

(of businesses and businessmen) unscrupulous; "a shady operation"

See also: shady

adjective

ephemeral; "the symphony is no fly-by-night venture"