Signaling that you expect your mate to be frugal might not be a widely applicable strategy for attracting one, though…
Search this post for “Attractiveness: Mean and Variance”. (That's even more relevant for potential marriage partners than for casual sex. Also, what matters is not how many people are attracted to you, but how many people whom you're attracted to are attracted to you.)
Dalrock writes an interesting article related to Dr. Helen Smith's book the Marriage Strike. I really have to bump it up on my too rapidly growing reading list. (^_^)