The phrase "and a hefty amount" is correct and usable in written English.
It can be used when referring to a large quantity or significant sum of something, often in a financial or resource context.
Example: "The project required a substantial investment, and a hefty amount was allocated for research and development."
Alternatives: "and a significant sum" or "and a large quantity".
Even if attendees struggled to remember it the next day, there was a truth out there, somewhere, involving a mascot dressed as an eyeball; a miasma of underground freak-rock acts named Flying Hair, Dahga Bloom and Dirt Dress; and a hefty amount of potent weirdness.
Jeffrey Radice made this posthumous doc about Ellis with a bunch of his friends, teammates, family members, and a hefty amount of archive footage.
The crowd, at his visitation, funeral, and, now, subsequent after-party, were enamored with gospel singing, post-Easter cheers of "Ford to rise again," and a hefty amount of backslapping.
Despite the response - and a hefty amount of foreign aid devoted to combatting cocaine production - Peruvian coke is being consumed in the nightclubs of Lima and in cities around the world like never before.
According neuroimaging research, we actually respond more favorably to recognized brands, and can have a hefty amount of disdain for any drastic changes.
Renata Shamrakova, 27, treated herself to swanky vacations in Aruba, Italy and France, bought thousands of pieces of jewelry, furniture and clothing, and even racked up a hefty amount of online food orders, indictment documents charge.
You're the one calling most of the shots, and with that responsibility comes a hefty amount of risk.
There will be your own friends, your other half's friends, and your joint friends (with a hefty amount of overlap depending upon how long you have been together).
The first thing to remember is: Dizzee Rascal is the only rapper who can use the British colloquialism "bloody" in a verse and pull it off with a hefty amount of steez.
For now there's a hefty amount of stickers and some Marvel superheroes and dogs.
While Spice Island's position on Grenada is ideal for exploring the island or participating in complimentary snorkeling, kayaking and sailing, the accommodations also receive a hefty amount of praise, especially the Seagrape Beach Suites.
