Grammer Made Easy In 23 Steps

Avoid alliteration. Always.
Prepositions are not words to end sentences with.
Avoid cliches like the plague. (They're old hat.)
Employ the vernacular.
Eschew ampersands & abbreviations, etc.
Parenthetical remarks (however relevant) are unnecessary.
It is wrong to ever split an infinitive.
Contractions aren't necessary
Foreign words and phrases are not apropos.
One should never generalize.
Eliminate quotations. As Ralph Waldo Emerson once said: "I hate quotations. Tell me what you know."
Comparisons are as bad as cliches.
Don't be redundant; don't use more words than necessary; it's highly superfluous.
Profanity sucks.
Be more or less specific.
Understatement is always best.
Exaggeration is a billion times worse than understatement.
One-word sentences? Eliminate.
Analogies in writing are like feathers on a snake.
The passive voice is to be avoided.
Go around the barn at high noon to avoid colloquialisms.
Even if a mixed metaphor sings, it should be derailed.
Who needs rhetorical questions?
How to rite rite

Don't abbrev.
Check to see if you any words out.
Be carefully to use adjectives and adverbs correct.
About sentence fragments.
When dangling, don't use participles.
Don't use no double negatives.
Each pronoun agrees with their antecedent.
Just between you and I, case is important.