Difference between Inexpensive and Catchpenny

INEXPENSIVE vs CATCHPENNY: NOUN

A cheap item designed to attract purchasers of other goods
Something of little value, adapted to attract popular attention and thus secure a quick sale; anything externally attractive, made merely to sell.
A cheap item.

Made or got up to gain money; put forth merely to sell: as, a catchpenny pamphlet.

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

Wynton marsalis, Jackstraw, String band, Bottletree, Gayety, Liederkranz, Concert, Kokomo, Saengerfest, Opry, Dixieland, Band, Contradance, Cheap, Inexpensive

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

Thalian, Katzenjammer, Curiosa, Strung out, Quartette, Callithumpian, Gig, Jackstraw, Concert, Kokomo, Saengerfest, Opry, Dixieland, Cheap, Inexpensive

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.