At the very least, you need them to express a strong interest in it.Willingness to pay is the cornerstone of the fabled product/market fit.You'll be building up a great list of interested users who will be likely to sign up for your product when it actually launches.Facebook and Google Ad Words have robust targeting possibilities that let you showcase your solution to the right audience, which you would have identified in the “Validate the Problem” phase.As far as possible, we want to get people to put money behind their words.There are tools available now that make it incredibly easy to launch a simple website and validate willingness to pay. If you're technical, you can choose to design and code this yourself, but most users will be better off using a template site builder.
Getting started with an ad campaign on Facebook or Google Ad Words is pretty straightforward.
We'll also need to build a product which is secure and reliable enough to allow lots of users to sign up and run their tests.
There's a lot of work that goes into a successful product and at this early stage, we still have a lot of unvalidated assumptions about what users really want.
Some good options for building your validation site are: Once you have the validation site up and running, you need to drive traffic to it.
You do need to be a little bit cautious about doing this within your network of friends and family though.