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# how much to charge for a paypal payment gateway

#### thosecars82

8:26 am on Dec 17, 2010 (gmt 0)

#### Junior Member

joined:Sept 23, 2008
posts: 104

Hello
Let's say there is some website for which I have to build only an online paypal payment gateway. How much should I charge for this?
Thanks

#### httpwebwitch

2:22 pm on Dec 17, 2010 (gmt 0)

#### Senior Member from CA

joined:Aug 29, 2003
posts:4061

step 1) figure out your hourly rate you'd like to be paid, a fair one
step 2) estimate how long it's going to take you to finish the job
step 3) multiply those two numbers.

#1 depends on where you live, creds, professionalism, reputation, competence... all the factors that would convince a client that the quality of your work and your services are worth X per hour.

More factors:
Is this something you've done before?
Do you know all the "gotchas" that a PayPal gateway entails?
Do you have pre-rolled code that you can repurpose for this project?
Is there a shopping cart involved, or just an IPN handler?
Does the client have an SSL certificate?

#### rocknbil

5:15 pm on Dec 17, 2010 (gmt 0)

#### Senior Member

joined:Nov 28, 2004
posts:7999

step 3) multiply those two numbers.

Then double it, and you will be just about right when all is said and done.

#### httpwebwitch

9:04 pm on Dec 17, 2010 (gmt 0)

#### Senior Member from CA

joined:Aug 29, 2003
posts:4061

LOL. rocknbil that reminds me of a buddy uses a well-known formula to figure out markup on his freelance work. It's the one for converting Celcius to Fahrenheit.

F = 9/5 (C+32)

It means his minimum price is \$32 to do anything. (0°C is 32°F). A project that will cost \$1500 in man-hours will be invoiced as \$2732.

I should have mentioned in step one; that number includes your cost of living and expenses and insurance on your equipment and printer toner and the phone bills and snacks and so on. It's not the same as what you'd expect as an hourly wage working for an employer.