When applying on any affiliate network ( as a publisher), always be honest about your knowledge and experience because they will understand from your answer the level you are at.
If you had run ads on Google, FB,IG, Native or Push that is great, state it!
If you are a beginner, you can still be approved, you can say that you are following a training by a successful affiliate and you are going to use a spy and tracking tool. Be specific for the kind of offers you are planning to promote (niche-verticals) and exactly the ad networks and the way you are going to promote these offers. Your affiliate manager will be by your side and it is his/her best interest your success because they are paid a proportion of your profit. Ask him/her which offers convert the best , which type of ads offer best results and what should be aware and avoid ( for example you cannot brand bid on products using Bing ads, or/and search ads in general). If you are spending a lot of money on ads and having a lot of sales, then they are going to reveal to you insider’s secrets about which landers, offers , ad networks and devices-operating systems work best! Never state that you are going to use incentive traffic.
You can follow these instructions as well:
https://www.malandarras.com/get-approved-affiliate-networks
https://www.youtube.com/watch?v=PJ8Gxv0KN_A&t=210s
Recommended Newbie Friendly Networks with Good Reputation and Variety of Offer and High Payouts:
Clickbank and Digistore 24 are great and large marketplaces but there is a lot of competition. You can alternative find whatever offer you want: check www.offervault.com . You can search for aff. Networks and /or by type of offer
Content Lockers : You are going to get instantly accepted. A downside is the low payout . You can sign up to CPALead, CPAGrip, Adwordsmedia
Heath -Fitness-Beauty:
https://www.sellhealth.com/ , https://clickdealer.com/, https://adcombo.com/, https://maxweb.com/, www.maxbounty.com,
Gambling ( UK, EU, AUSTRALIA etc) : https://monetise.co.uk/
Dating: www.mobidea.com
Other networks: www.affiliaxe.com, https://cpamatica.io/
Super affiliates free tutorials recommended to follow ( not only for native ads).
I highly recommend to join the Powerhouse Affiliates membership and community because they cover literally everything: Email marketing, Website and page building, Google, Bing ads, Push and Native ads. The value provided is insane. Not even high ticket courses offer the quality and depth of information & support