very much
One thing to think about with barrel work, reamers aren't cheap and you get out of one what you put into one. This might be a one time thing or two time thing for you, or you may have folks rolling in to have you do chambering work, I would pick a chamber that is popular in your area and buy it and the pilots that go with it first and rent a reamer for anything else for a while. A good floating reamer holder from JGS would be a recommendation as well as a good set of headspace gauges from them or Midway.
I really like the Lauer's duracoat, especially since it doesn't have to be heated to a high temp to cure it. I try to keep it around 125*F. I couldn't get my barrels into the oven I bought and put in the shop unless it was a 22lr barrel or 26" shotgun barrel. I ended up building a an oven out of a crate that I had that was made out of 3/4" boards. I drilled a hole in each end to run a dowel through. From the dowel, I either hang a part from it, or I can run it through the barrels. I use an oak dowel so it will hold a little more weight than a soft wood dowel, and I use the size appropiate for the barrel as well. I use up to 1/2'' dowels and as small as 3/16" I mounted a 2 lamp flood lamp holder in it and use 2 75 watt flood lamps in it. I have a dimmer switch attached to the lampholder as well to control the temp. I used a very good aluminum manifold paint, but you could use an aluminum roof paint as well, and covered all of the surfaces of the box. This reflects the heat all around the inside of the box which helps keep from getting a portion of the barrel or parts left unheated and not cured. It's simple and yet I can control the temp by the dimmer switch, I have a lid for it that keeps the heat in and I have the two hand holds at the end to lift it by if needed and I have pieces of metal that ride in a slot so I can close the hand hold openings are leave them open and allow the fumes to escape. cost me around $20 for the lamps, holder and box for the holder to mount to, had the wire, dimmer switch, and the paint and the crate. For around $50 you could most likely buy everything. I almost forgot, I use the same thermometer for my parking in the top of the box as well through a hole drilled for it.
I had an old craftsmen lathe and replaced it with a Smithy and I like it myself. Mine is a little heavier than most of the Grizzly's I saw and I wanted to buy a new lathe that was backed up by a warranty. It is a 12x40 model and does anything I have asked it to do with ease. I run it on 230 volt instead of 110 and it is the 2hp model. I know a lot of folks that bad mouth imports, I am one of them normally, but the price of a new South Bend was beyond my expense allotment and I didn't want to buy a worn out cast off from some auctioneer that wouldn't stand behind it if I had problems and I didn't want to have to use a phase converter for the lathe either. I searched around a good bit and talked with folks that had Smithy's. I have a gunsmithing buddy that bought a Grizzly, he loves it, but it isn't half of the machine as the one I bought. Mine weighs in at 850lbs and his is around 650 which to me means a more stable machine which means a better finish. I have a spindle bore of not quite 1 1/2", mine mics out to be 1.429", which allows me to handle any barrel I have tried in it so far. It came standard with the follow and steady rest as well as a 3 jaw and 4 jaw chuck and a decent tool holder. it is also designed to run SAE threads and not just metric which some are designed to run metric and have problems running SAE thread.
As far as the mill goes, I bought one of the bench top Grizzly's. I use it more and more everyday. It won't take huge hog out cuts, but it will cut the rails of an 80% reciever deep enough in one pass. I bought it mainly to begin cutting my own scope bases out and to cut dovetail in frames to mount sights with. As long as you remember that you can't make too long of a cut or that you have to set it so you can cut both sides without removing the clamp up, you can handle most cuts with it. I want a larger one for sure, but I will keep this one around. That is a luxury for me and not one of the things on my priority list for sure. I have spent a good bit of money this year updating worn out machines that I started out with. I bought the new lathe and the mill, am in the process of adding a large shop next to my old one. Just got through having to replace the highfreq on my welder. Keep in mind what I said about buying good quality tools when you buy. Buy as good as you can afford. If you have to wait several months to buy as higher quality machine or tool, you will be better off. I had to replace a cheapo bench grinder a year ago. I have replaced a few air tools this year, but the main tools I work with each day are my files, punches, stones and my Foredom. I went through 3 dremels before I got wise and bought the Foredom. I use the Baldor buffer almost every day and it is 20 years old now and still purrs and runs without any vibration. You can put a buffer pad on a grinder or a washing machine motor and get by, but when you get serious about buffing, go with the Baldor if you can buy one. I wouldn't trade mine for anything. The thing is, I bought good Nicholson files to start with and didn't waste money on the cheap ones you can get at a cheap tool store or online from HF or the like. I bought my stones from Brownells. I made a lot of tools out of mild steel through the years, I case hardened the ones that needed it, but this saved me a lot of money by not having to buy one from Brownells each time the need arose. A lot of them were built on the lathe, but a lot of them were filed to shape or ground using a hand grinder.
I was in the welding business, don't know if I mentioned that to you, but I had a good jump on most folks since I had been in business and learned a long time ago if you live by the tools you use, you eat by them as well. You know what that means don't you, you better have the best you can afford if you plan to make money instead of spend money on replacing old worn out tools. I had most of the tools I needed long before I ever took up gunsmithing, but it took me years to build up the list of tools I have now. The first 2 years I was in business, I think the only tools I bought were a new file now and then and a stone when the ones I had wouldn't work. I worked for 3 years before I ever parked my first gun. If they needed bluing or parkerizing, I farmed it out. I took care of all the handwork, woodwork and replaced or fixed parts as they needed it, but any machining, or metal finishing I needed, I farmed it out to a smith I knew from my own town. He gave me a decent price and I only charged what he charged me to do the work. He eventually showed me how to do chanbering work and I bought the tanks and burners and took up bluing and parking. I guess it was only 2 years ago when I first started painting guns when asked to do so. I used to hate it like the plague.
Now, I'll paint one in a heart beat and know that the finish will be there for good. The Lauer's is very durable and very hard. They recently came out with a new gun blue that I am ordering next week. They tell me it looks very close to the old rust blue. I have an old beater that I was going to rust blue and put a new stock on it, but maybe I will paint it blue and see how she looks. I use the clear coat over blued or parked guns now. It seals the finish and rust will be forever gone unless they figure out a way to get a deep scratch in it. You can just overspray it if they do. Jeesh, you got my typing all morning here. As Momma said, "ya'll come back now, you here" and let us know how things are. I don't know if you follow these threads much, but I and others like me have mostly given the advice of going to a business class and learn to operate a small business before opening the doors. Learn from the mistakes of others as best you can. Get yourself liscensed and bonded and make sure you are up to snuff with the ATF and your local city hall before ever opening those doors as well. That said, best of luck.