Laptop or desktop (Clarksville)

Hi everyone I am on disability an have no money but I am trying to build an app so I need a laptop or desktop that can connect to the internet to make my sever an do the codes it does not have to be new or anything but would like it to connect via wifi if laptop any help would be greatly appreciated and thank you all hope you all have a good day an can reach me at this email or at deathdragon89585@gmail.com

Thanks :)