If you have more complex woodworking or carpentry jobs, choose a hand saw that is tailor made for these tasks like the Vaughan BS240P Pull Stroke Rip Handsaw or the Crown FLINN1 10-Inch Dovetail Saw. Also, the type of hand saw will depend on whether you be cutting with the grain or across the grain. There are 3 main types of basic hand saws: a cross cutting saw, a rip saw, and a dovetail back saw.
Sound overwhelming? Then just start off focusing on Disston saws. The Disston saws were manufactured by the millions and are the easiest to find, and most are of exceptional quality, especially the below common models. Remember to buy pre 1940’s era vintage hand saws. Here are some ebay searches for wood saws. To ensure that you don’t over-pay, when you’re on ebay click “sold” to see what they’re selling before and to see which saws are desirable. It’s fun research: