I hate gardening, landscaping and anything of the sort. Detest it. Would rather pay a billion dollars than DIY it. (And we're pretty hands on people - we've renoed all of our houses ourselves hiring out next to nothing.)
We ridiculously thought we could maintain our yard at our current house...it's a disaster. Overgrown, I don't know how to maintain the dozens and dozens of different flowering plants and bushes, I don't know what's a weed and what'll become something amazing, I can't prune!
The gardener is coming Monday. Much to the relief of my yard.
So, I'd pay just about anything for some one to do it for me.
However, if you do want to tackle it, we almost DIY-ed it in one house we owned (we moved instead) with the help of a landscape designer. I get exactly how overwhelming it is, and we didn't even know where to start. I mean, how do you even begin to figure out what to plant where (shade, sun, amount of water, how big it will grow, when it will flower, how long will it take to reach full size, how much work will it take, what special requirements does it have to grow...so many variables that it's hard to even know what questions to ask!) let alone how to do it?
So, she came in, toured the yard, asked what we were looking for (any types of plants we wanted, the feeling we wanted to achieve in the end, what our trouble spots were, our intended maintenance level, etc. She measured out the yard and sketched up a plan. She knew what would grow where, when it would bloom so that the yard looked good all year, what everything would look like individually and together in the long term and how to make it look good while it was getting there, what species to use and what common ones to avoid for our area and soil type (regardless of what the garden store has on special), where to buy everything at the best price, and what time of year to buy it, what materials to use for the hardscaping from budget options to higher end ones and so on.
The sketch included exactly what plants went where (along with notes on each one) so we would know exactly what to do. She tailored the whole plan exactly to our skill level. And suggested what we could truly DIY (all of it if so inclined without much more than sweat with the great plans) and what we could hire out for the least amount of money.
Had we not sold the house, that plan would have saved us a TON of money. We wouldn't have killed at least the first round of plants, we would have utilized all of her budget tips, we NEVER would have come up with such an amazing, clever plan because we don't know a darned thing about plants and more importantly, we would have actually done it instead of doing a halfassed job and then getting frustrated.
So, that might be a really good option and then from there, you can figure out what you can capably DIY and what you should hire out.