Felisha -
That sort of issue should be easily remedied. InTouch should have a contact person. Email them exactly what you have explained her. It is not your fault that a restaurant would not serve breakfast.....
MSPA: Mystery Shopping Professionals Association
You should be able to leave the video shopping certification blank. You are new, so you likely have not done any video shops or been through video shopping training.
Every MSC is different. For the most part, if you are ill and contact the scheduler - with an offer to reschedule, you'll be fine. For the most part, schedulers understand that life happens. Of course, they will all have limited patience if somebody is frequently sick as their jobs depend on them not just getting shops scheduled, but completed.
I do find that, if I find an MSC that is difficult to work with at that level, I simply choose not to do so.
Kevin - I can't speak about Goodwin directly, but I know that some MSC's offer different shops on ISS and on their own website. You will have to ask Goodwin directly if they have a separate job board.
Jazmyn - First, you want to sign all the MSP agreements. You can't work for a company until you have signed their agreement. Once you have done so, go to the "available assignments" and choose one (or more) that you would like. Then apply. Each shop has a specific scheduler. If you are assigned a shop, the scheduler comes with it.
All you should have to do is type in the email address you used for PayPal into the comment field for it.... If that isn't working, contact Ivan - one of the administrators. He frequents this forum, so you can send him a PM.
Your self-assign limit increases with your "reputation." I don't know the specifics, but there is a post somewhere in this forum about it. If you want to do more shops than what you can self-assign, you can still apply and the schedulers will decide whether or not to grant them to you.
What are your monetary goals? There is a huge world of mystery shopping out there and what I suggest will depend on what you are trying to accomplish.