I know where you are coming from, but unlike you I don't have alot of free time! LOL
I end up sitting around reading and doing Homework for college classes, and never get to exercise that much.
The best thing you can do is write a journal of everything you eat. When the day is over you look it over and see what you want to change the next day so you don't over eat throughout the week. Also this will help you stay on your goal cause you are able to read what you eat.
Also when you plan your meals it's best to keep the majority of your carbs in the morning. Carbs is hard to burn and if you eat it at dinner you just have it sitting there in your body being absorbed into the fat cell. But we do need carbs to function, so don't cut it out.
Simply walking everyday will do wonder for you, and as time goes on you can start jogging alittle til you feel comfortable to start running. This is not something you can achieve over night as your body has to adapt back to running. Don't be discouraged by your lack of ability to run, just take it nice and slow.
Instead of eating goldfish, try some new fruit. Go to United Supermarket and pick out a fruit you haven't tried and have that for a after dinner snack. Yes it has carbs but it is a healthy carb, plus it's naturally sweet!
Depending on your schedule try to not eat before bedtime. I would try to not eat atleast 3-4 hrs before going to bed that way you have nothing in your system to just sit there and collect up in your body. If you have to eat something eat a very small portion or just that one new fruit.
Don't worry about protein shakes or diet pills as it won't help you lose weight. What I would do is take a good multivitamin as you are never getting all of your required nutrition that your body needs.
That's the basic of a good start to a healthy lifestyle.
To make this work you can not think it's a diet, cause diets always fail. you need to think of this as a lifestyle change and you are making healthier choices!
oh yea, I live here in Lubbock too, which is why i was able to point out a certain store! LOL