Good way to build link is blog commenting.
I am not talking about spam and mass media, no.
I’m talking about useful comments with questions to the author and with tips for the whole audience.
How do you find blogs to comment on? Those blogs where commenting is allowed.
Search this on Google
YourNiche intitle: "write for us" inurl:"write-for-us"
YourNiche (intitle:"write for us" | inurl:"guest post guidelines" | inurl:"guest-post")
Food intitle: “write for us” inurl:“write-for-us”
food (intitle:“write for us” | inurl:“guest post guidelines” | inurl:“guest-post”)