|How-to's and Getting started!:
A constantly changing IN/OUT of Review Forum:
Make sure you read the forum's rules carefully, and follow their content rating min/max. Some forums review in public, some in private emails. Read the headers first.
Comprehensive Review Fora list
Just for newbies!
Where to plug your work!
Plug a friend's work (not your own work!)
Specific Genre review forums:
Writing workshops and references:
How to thank people (anonymous and otherwise!)
How to deal with a negative review:
And if you feel the review has crossed a line from negative to harassment go here:
Be certain to read all the on-screen instructions before sending.
Send them a fuzzy: cnotes, cards, flowers
A folder full of how-tos:
Meeting others/coffee klatches:
Upgrades - if you honestly cannot afford one, the below links can help you obtain one. Some have special criteria you must meet, please read their instructions carefully prior to posting a request.
Another thought about upgrades: some contests offer upgrades as a prize while others offer significant GP prize pools that go a long way to paying for an upgrade so watch the contest genre closely.
Let's not forget how to write a review, although you are not required to do a return review, many people consider it a common courtesy to return the favor. Having said that here are some resources to helping you write your own effective reviews.
Lastly don't forget: http://www.writing.com/main/faq