Difference between Inexpensive and Two A Penny

INEXPENSIVE vs TWO A PENNY: ADJECTIVE

Two a penny, Tuppeny, Sixpenny, Nickel and dime, Low priced, Low cost, Cut rate, Cut price, Bargain priced, Catchpenny, Threepenny, Dirt cheap, Bargain, Affordable, Cheap

Bit, Jacks, Ordinary, Mark, Bits, Liner, Jacking, Coin, Jacked, Jack, Cent, Double, Half, Give, Stiver

Twopenny, Two a penny, Tuppeny, Sixpenny, Nickel and dime, Low priced, Low cost, Cut rate, Cut price, Bargain priced, Threepenny, Dirt cheap, Bargain, Affordable, Cheap

Farthing, Dime, Three, Ordinary, Mark, Liner, Jacked, Jack, Half, Give, Double, Coin, Cent, Bits, Bit

They are, by all accounts, inexpensive and effective.
Christmas rush provides an efficient, relatively inexpensive solution.
Public transportation is inexpensive, but prices are increasing.
These machines are inexpensive and easy to master.
Or an inexpensive stocking purchased for this purpose.
Leaf is an inexpensive and highly effective solution.
Smoke alarms are inexpensive and they save lives.
Monochrome lenses are inexpensive and capable of providing an adequate image on inexpensive monochrome cameras; however, they should not be used on color cameras.
Part B payments for inexpensive, small molecule drugs that are similar to other inexpensive products in the market.
We will build an inexpensive house using modular and inexpensive building materials.

Make Greene King stand out against a saturated market in which pubs are two a penny in the UK.
Freakonomics approach was not the basic tools, which are two a penny, but the way the authors employed them.