SEO promotion in the region

At this point in the development of a website similar to airbnb so to speak.

The service apartments that rent apartments in Omsk.

I would like to know how much it will cost approximate it move for targeted queries SEO to the top, how much approximately it will take time and of other things.

The only Omsk region.

Basically, competitors sites, with an occupancy of different regions, there is still polubogi sites. Need them all around