Greetings for the Day!!
I can help you in complete set up your already installed wordpress theme with payment integration system.
Please share your site link.
I'm happy to show you various work examples if you have a minute to get chat with me.
I have 9 years of experience in web design, Landing page design, Larval, codeigniter, wordpress ,CSS, PHP, MYSQL etc.
I have a perfect 5 star rating from all my happy clients. Please feel free to spend a moment on my profile page and see how I deliver above and beyond for my clients.
I'm available for the next few hours so let's get on a chat to get this done.
Peace & Regards
Karam