My advice - have a monetisation plan. Nut out all the potential monetization streams. But it doesn't mean to you have to implement them from the get-go - as you

My advice - have a monetisation plan. Nut out all the potential monetization streams. But it doesn't mean to you have to implement them from the get-go - as you say, there's definitely merit in just building something people want and focusing on attracting and retaining users :)