Here are a few more redundant phrases that are used often.

essential, not absolutely essential [essential means necesssary]

same, not exactly the same [same means identical]

unite, not unite together [unite means to come together]

unique, not very unique [unique means one of a kind]

These are crazy redundant phrases that are used often.

experience, not past experience [all experience is in the past]

innovation, not new innovation [all innovations are new]

plans, not future plans [all plans are in the future]

Don’t use more words than necessary. Here are a few examples of words that are often preceded by completely–which means fully, totally or utterly. These words are extremes and cannot be made more extreme so the use of completely is unnecessary.

annihilate means to reduce to nothing
destroy means to damage beyond use
eliminate means to destroy so that it no longer exists
ignorant means without knowledge
monopolize means to dominate something by excluding everyone else
surround means to enclose on all sides
unnecessary means not necessary