In kind to inform you that SEO is long term process, if you have low budget & want to bring business with that money then You have need to start with PPC by targeting lower cause niche, you may easily can setup adwords with $10 to $20 per day limit, by this way I am sure you should get leads & within 10 days you might be able to spend more amount to bring more leads.
But if you want SEO services for your business than I really sorry this budget is really too low, many cheaper will try to offer you lot services with this amount but in final you will not get what exactly you wants.