Guest posting

Guest posting is an effective one when you have a links from high quality blog. Those blog will help you boost your site. you can go for DA30 + which is a good choice. Rather than Spending $1000 per month won't be effective. Don't spend more per month.

Do your own outreach. E-mail competitors, instead of buying these 'DA 20+' packages. That way, you'll actually know upfront you'll get something good.