You don't have to pay money to use adsnese, therefore, there is no question of affording adsense. You need a self hosted blog to be able to use adsense but if you don't have funds to start a self-hosted blog, you can try blogspot, which is free to use. But I guess since you want to make money through blogging, you are really to spend some bucks on a domain and hosting. If you are really good writer, getting approval from adsense shouldn't be difficult because the basic crtiteria for adsense approval is content quality., If you do not have money for domain and hosting and if you do not want to use blogspot, you can try blogging on third party blogging sites like hubpages, medium, vocal, read cash, puiblish0x, etc. There are numerous blogging sites that you can join for free and make money blogging without spending a dime
