One word for spending money less than the amount that someone/something requires

Question

What word should be used for the habit of spending money less than the amount that someone/something requires?

For example, how to say:

Don't spend too little on your child's education?

Answer 1

You might want to look into these words:

1. stingy
2. cheap
3. miserly
4. tightfisted

Depending on some other context, you might also want to look at

1. frugal
2. scrimp

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I forgot to include skimp! That one was the first one on my mind.
As StoneyB writes, we would say

Don't skimp on your child's education.

I gave a list because I was thinking of other ways to say this. Like "Don't be stingy when it comes to your kids education."

Answer 2

Not a verb but you can use the adjective parsimonious.

As in; "Do not be too parsimonious with your child's education".

The word describes someone who is unwilling to spend money.