The best DIY plans will depend on the type of project you are trying to accomplish. They may range from woodworking plans to metalworking plans or even sewing plans, so you will first need to determine what finished product you want to produce and what tools and skills you have available to complete the job. Sometimes DIY plans will be included with the materials needed to complete the project, so you will end up paying for both the plans and the materials in one package. This can end up saving you money in the long run.
Make sure you choose DIY plans that are within your ability level. Sometimes plans will spell out exactly how difficult the project will be, while in other cases, you will need to carefully review the DIY plans ahead of time to be sure you have the tools and skills necessary to complete all steps. If, for example, you are looking for scroll saw plans, you should start with simpler designs that do not require a lot of fine cutting. Once you have more experience with the scroll saw and feel comfortable with the tool, you can begin to work with more complex plans or patterns.
DIY plans often pertain to home improvement projects. Building a shed, for example, can require plans that will walk you through the construction process step by step. You will need to think carefully about your needs before you commit to DIY plans, and you will also need to consider the overall cost of the project, not to mention the time investment necessary to complete it properly. The plans may not indicate how much the materials will cost, nor will they necessarily specify how long the project can take, so you will need to gauge these considerations on your own. Having a set budget for a project will help you eliminate some DIY plans out of hand.
It may be wise to consult an experienced professional before you take on any DIY project. He or she may be able to recommend plans for you, or at least give you some tips as to how to go about finding the plans that will work for you. A visit to the library can also turn up some plans that may work for you, though some of the books may be out of date and may contain processes or techniques that are antiquated. Be sure to choose up-to-date plans that use modern tools and techniques.