You are doing the right thing by asking the question on Trulia.
Start with educating yourself, if you were looking to buy a home what is important to you, such
as First impression, curb appeal, new paint etc.
Call 2-3 agents out, get an idea on What Your Home will Sell for,
perspective on what needs to be done, do they recommend any inspections being done before hand,
Do they recommend a Stager.
Also, check with your Local Church or Close Friends if they recommend 1-2 good agents.
Also, talk to the many fine local agents responding to this question, and you should be well