1-2 good back links per day is enough to rank your website keywords. Do build too many links at a time. This might be penalized your website.
Dont't focus on number of links, focus on quality on backlinks. It is ok to get few links from social profiles but if you want to make progress then consider to do guest posting.
I don't think SEO is a matter of the number of links but its worked well when you create quality backlinks in niche wise high authority websites by adding fresh, unique and quality content. Don't be a link farmer, be a link digger.
do not prefer to increase the numbers, only go for quality. if you build quality backlink one in day that's better than building 10 poor backlinks.
Do not focus on numbers, focus only on quality as everyone said. For new website i would suggest go for business citation, this way you can create a quality back-link and healthy traffic. But first complete the on-page task because without on-page off-page is nothing, its like cutting tree with sharp-less axe