Suggest Best Hosting Service As Per Traffic (5k-10k / Day), SEO And SSL.
I don't have WordPress back of previous (so i need to continue with old hosting provider) Than Change to new one Hosting.
If you dont have back up then try requesting your hoster and tell them that your hosting has been expired and you don't have the backup so kindly mail the backup!! sometimes it works also.
Changing Hosting Will Effect On Seo, Traffic?
It will effect short term but will get back your traffic in few days.
Suggest Best Theme For Deals And Coupon (Or I have to find some theme developer for coding)
Also Suggest Best Plugin For Google Adsense Monetization
Invalid Adsense clicker, it will prevent the Same IP from clicking your ads which are major reason for Adsense banned @SubhamThakur