You can get workshop lights very cheap and hang them over the bench. I would also take my model outside when it's sunny and look it over, what looks good late at night doesn't always look good in the sun. Just don't run everything at once. In the ideal workshop you will need a workbench. The only thing I'll say is make sure the top is flat.
Some guys use a card table and place a ceiling tile upside down on it.
The T-pins will push in to it quite easy. One guy I know got a damage door at home depot and swears by it. I got a hardwood workbench at home depot and I lay a piece of drywall on it. Whatever you do just make sure it is flat by laying a straightedge on it. There are plenty of things you can add, but the workbench and chair are the heart of your shop.