the chair

So this is my wheelchair I found it at a garage sale and for $50 bucks I couldn't walk past it I've had for a couple of weeks now I have only done some minor maintenance and added some simple linkage for radio control which is working great my original idea was to make this a power house for multiple projects I.e. lawn mower,wagon,seed/mulch spreader maybe add a dump bed to haul small loads of dirt or gravel basically an rc yard slave but then I found frits on YouTube and I felt like I just met "clarise" (which is why I chose my user name) seriously a whole new world opened up for me and a flood of ideas that before seemed so far out of reach were suddenly within my grasp but sadly this is where my ignorance lies not only have never programmed a micro controller but I've never even seen one in person now don't get me wrong I'm confident that I can handle the task I do odd projects all the time for example get a text msg when someone rings my doorbell so I know to pull up my cctv and see who's there I can also open my garage doors via text msg and the list goes on I guess what I'm getting at is that I could use a little push in the right direction I've got a lot of questions like which controller is best for my project/newbs where should I buy it how much should I plan on spending is it even worth doing so if anyone has any input it would be very much appreciated also I'd like to add sorry if I broke any rules by posting this here I wasn't sure if it should be here or in the something else tab