The phrase "too cheap" isn't typically attributed to a single famous historical quote or author like Shakespeare or Lincoln. Instead, it's a common English expression used in various contexts to convey that something is inexpensive to the point of raising suspicion, concern, or implying low quality.

1. Suspicion of Low Quality or Scam:

   • Meaning: If something is priced significantly lower than expected or comparable alternatives, people often suspect it's because it's poorly made, fake, defective, or a scam.
   • Example: "I saw a brand new iPhone for $50. That's too cheap – it must be stolen or broken."
   • Implication: "You get what you pay for." The low price suggests the item lacks value.

2. Concern About Hidden Costs or Risks:

   • Meaning: A very low price might indicate that important things are missing or that there are unforeseen expenses or dangers.
   • Example: "The contractor offered to remodel the whole kitchen for $500. That's too cheap; he probably won't get the necessary permits or will use substandard materials."
   • Implication: The low upfront cost is deceptive; the real cost (in money, time, or safety) will be higher later.

3. Undervaluation (Metaphorical or Emotional):

   • Meaning: Something (not just a physical item) is being offered or perceived as having much less value than it actually deserves.
   • Example (Gift): "He spent years writing that novel for me, and I just gave him a cheap pen. That was too cheap for such a thoughtful gift."
   • Example (Service): "She saved the company millions with her idea, and they only gave her a $100 bonus. That's too cheap for her contribution."
   • Implication: The price (literal or figurative) doesn't reflect the true worth, effort, or significance.

4. Simple Disbelief at the Low Price (Neutral/Slightly Positive):

   • Meaning: Sometimes it's used simply to express surprise at how inexpensive something is, without strong negative connotations.
   • Example: "Wow, this entire gourmet meal for two was only $25? That's too cheap!"
   • Implication: "This is an unexpectedly good deal!" (Though even here, there might be a hint of "what's the catch?").

Why is it used?

• Warning: It serves as a caution to others (or oneself) to be wary.
• Expression of Value Judgment: It highlights a perceived mismatch between price and quality/worth.
• Skepticism: It signals doubt about the legitimacy or sustainability of the low price.

In essence, "too cheap" is less a famous quote and more a practical idiom used to flag situations where the low price seems disproportionate to the expected value, quality, or cost involved. It implies that the low price is likely too good to be true in some significant way.

If you heard it in a specific context (like a book, movie, or business meeting), providing more details might help pinpoint the exact nuance being used.