Hello,

I want to make this as succinct as possible to save you all time in trying to understand my situation, etc so I will try to be specific.
I will be riding on concrete, either via residential or a straight forward, nicely paved, public trail 7 miles each way.
I have a strict budget of up to a max of $300.
I have bought a cheap bike to get by in the past and it lasted about 1 year of solid usage; Repairs cost more than the bike is worth.
I don't have much time, about a week before I have to buy.
I will be night riding, the trail will be pitch black at night, the residential is lighted enough but I will be buying a nice light (need a suggestion on that too).
Since I do not have a car and I do not trust craigs list, I will be buying from Wal Mart or maybe Sports Authority.
I am 5'11 1/2 and weigh about 280 (I stopped riding 6 months ago and gained a **** ton of weight)
I cannot afford a Trek unfortunately
There are some 700c hybrids I saw, linked here:
GMC Denali 700c Men's Road Bike - Walmart.com
Jeep Men's 700C Jeep Compass Hybrid Bike: Bikes & Riding Toys : Walmart.com
700C Hyper Spinfusion Adult Hybrid Bike - Walmart.com

Hybrid or Road?

I am sorry if wrong forum and this has eben asked I am sure 1,000 times but I figured each situation is different. I began reading the forums and quickly became dizzy.
It's kind of urgent, any advice is greatly appreciated. My name is Tim