any tips on how to do this...just browsing every ad in the camera section i suppose?
not sure what you are getting at here? surely anyone that fixes, modifies or builds a camera does it so they can then use it.
On the first query... I don't look at all the listings. I do have some idea of cameras that are less valuable and come up often. I also don't restrict my searches within categories. All the good deals are usually found in the wrong categories. For instance, some cameras that sell inexpensively are various Calumets, Toyo monorails, Graflex of various models including the Graphic View models I and II, etc. I just picked up a Calumet Cadet for $40 plus shipping, because the seller did not even know it was a large format camera. I simply searched "All Categories" for the word Cadet. It was not listed in Large Format category. It's coming with film holders, dark cloth, etc.
I tend toward auctions (in cameras at least) that close on Sunday late in the evening. No other bidders at that time, obviously, since all my best buys are at that time. I mis-spell searches. For instance, while browsing Large Format lenses one time, I picked up a very nice Calumet Caltar IIn for half it's value. Why..... it was listed as a calument calstar, which caught my eye. I was the only bidder. I picked up a Bronica medium format 6X6 LNIB for $275.. the seller did not use the name Bronica in the listing.
In fact, there are a couple of books out that talk about how to make money on mis-spelled auction titles. Auction titles are also very poorly done by most people, resulting in very few views. Finding those auctions usually yields money making or good deal opportunities.
So, eBay is ripe with mis-categorized auction, poorly done auctions, and badly timed auctions.
For well over 5 years now, I have been buying photography items on eBay and turning the listings into good listings and very often doubling my money.
eBay can be your inventory and your resale source. In fact, I teach eBay classes at our local Community College.
Regarding the comment about building and/or shooting, I was merely indicating that doing both may be rewarding, but I spent some time repairing and modifying cameras and I found it addictive, distracting me from going out and shooting. I realize some people may favor one over the other, so I'm just pointing out that if you really want to take pictures, the time spent on gear manufacture or repair can be a real distraction and a trap.
Regarding " Hi Kuzano, any links to some of the 2x5 panos? I'd really like to see the results. What lens do you use a 90,150, 180?"
I'll have to dig out some of those. They are not on the internet. My current panoramic method is to use a Fuji 6X9 on a panoramic head (modified tripod) and stitch two or three images together for 6X17 or 6X24, in Photoshop.
When I used the method (2 images on 4X5), I used a 90mm and a 150. My favorite 150 was an early Fujinar which produced nice contrasty images. The 90 I used was a Schneider Angulon. I think I paid a bit over $100 for each of those lenses in working shutters.
I try to get a copy of a couple of the images from 2 on 4X5 and post them.