First, stay away from any provider who ask that you describe the services you are looking for. I have never seen a legitimate provider request that type of information.  Find someone else, because you could be walking into a bad situation. You know about review sites, use some of the tools that are available to you on such sites, doing so should prove to be a valuable choice.
    I cannot give advice on deleting email.  Unless you are a highly skilled information technology person, there is a high likelihood that you are going to leave a digital trail that anyone that is determined can.  Deleted email often go to at least one other folder on your computer, you need to understand what those folders are and insure that they are cleared. Also you need to insure that the sites that you visit are not retained on your computer. Most computers will retain website information that can be accidentally found by others.
    Because you appear to be completely new at this, the most important thing that you can do is sit down and think hard about whether you want to start hobbying.  The pursuit can be addictive and you need to understand whether you can avoid getting wrapped up in some of the pitfalls.  Good luck, be careful and I hope you find what you are looking for.

best bet is to do some research here .... and hook up with one of the incredible indies that TER has posted and enjoy ... as far as LE again that fear fades away by using the resources here.  hobby safe hobby well hobby all you can be .....

Do not see provider w/out reviews. Read them (reviews) carefully and decide. Combine this with 3 previous (good)advises and you'll be OK.
DO NOT SEE PROVIDERS WITH NO REVIEWS!!!!!!!!!!!