Need webapp help

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
I have a webapp that i would like to start charging for. The way it is set up now is that I email the link out for people to access. I would like a link or button on my website to sign up for an account and pay for the subscription level and then the client can access the webapp with their email address and a password. I would also like to have a way to give a free trial.

I want an admin area where i can view all clients and also make changes to their account if needed. This will also need to be linked to our paypal account so the client can select their subscription level and it will pay us through paypal. We also accept checks so I will need to be able to make an account myself for the client and not have it charge them by paypal if they pay us by check.

This will need to be very secure!

The client information I would like when they register is:

First Name
Last Name
Phone Number
Email address
Dealership Name
Dealer Code (5 digits)

Skills required:
About the employer:
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$ 350
in 10 days
$ 240
in 8 days