One of the great things about pond fishing is that you don't need a fancy big $60,000 bass boat. You don't even need to spend $5,000. I found my boat on a Facebook exchange group for $100. Now when I first brought the 12 foot Jon boat home it was not anything to write home about. In fact is leaked, it didn't have seats or a motor. But all that would soon change all it took was a little elbow grease.
First thing I did after getting my boat in the shop was fill it up with water to find the leaks. I determined that several of the rivets across the bottom were loose and that is where the leaks were coming from. So I drilled out all of the rivets and replaced them with small 1/4 inch bolts then coated the bottom with marine weld to prevent the leak from developing again.
Now that I had a usable boat that floats it was time for an upgrade. I went to amazon and ordered seats and pedestals because I wanted a boat that I could fish in for either a couple hours or all day and to do that I need somewhere comfortable to sit.
Another issue I ran into was storing my gear. I was tired of my rods laying on the bottom of my boat or worrying about them bouncing out going down the road. Also storing PFD's and other misc. gear such as an anchor. So I got a berkly rod holder that stored up to 4 rods securely to the boat. I still had my dilemma of where to store my other misc gear, so I want window shopping. The solution happened to be at Wal-Mart of all places and for 20 bucks! It was a small lockable chest. I secured the chest to the bottom of the boat between the front and back seat so it was easy to reach from either spot. I also wanted to be able to keep my pliers and net in a place where whoever is in my boat can get to them. So I found this Frabil holder also on amazon.
Now the next step, a motor. As this is just a pond fishing boat that I plan on fishing at several electric motor only lakes I obviously went with and electric trolling motor. I could have went with a a transom mount motor which is definitely the more cost friendly option, and definitely a very acceptable option for bass fishing. But I wanted a way I could move around and fish lost of different areas without setting my rod down. So I went with a bow mounted trolling motor with a foot pedal and has been working very well for me. Even though it is a 12 volt motor I went with 2 batteries because there will be times I will want to fish all weekend in remote places without the options to recharge the batteries. 
The final touch to this pond boat build was finding a trailer. I found one in working condition online locally for $150. I originally wanted to be able to put the boat in the back of my pickup. I initially thought it would be easier and simpler to haul. But I was wrong simple as that. After decking out my boat with all the cool goodies it got a little heavier than I would have guessed, so unloading in and out of my pickup got pretty tough. Also hooking my pickup up to the trailer and going, is a lot simpler than loading the boat in my pickup all by my self.