hi @Jeyotee0
I can see on your profile you have only recently started hosting on Airbnb so you might want to get some more experience before offering your services as a cohost. For example do you understand the major listing platforms? Do you have experience of managing cleaners and checking their work? Have you had experience of having to make a claim for damages or evict a problem guest?
If you want to set up a cohosting business put together a marketing plan to help you identify how to promote your services to hosts you see as your target market.
You can invest in social media pages and a website and advertising to reach hosts in your target area. Do highlight the services you offer and what you can offer that is better/different than your competitors.
You will also need a contract.