Don't let the word only wander lonely as a cloud: glue it in the right place. If only wanders into the wrong position, confusion may result.
See how the meaning changes when only wanders around a sentence.
Quick fix for wandering only
Nearly always, you can just delete the word only.
The sentence will still make sense. When in doubt, take it out!
Here's why adverbs go wandering.
When you talk, this rule doesn't matter: your voice makes the meaning perfectly clear. Unfortunately, when people read your writing, nobody can hear that emphasis in your voice.
The same problem occurs with some other adverbs too, for example, just, still and even.