As you can see, the price of a private invitation is lower and allows you to extend your stay in the country. BUT! At the same time, a business invitation for 3 months will cost 2,500 rubles, and you can get it online in 5 minutes.
Finally, the THIRD significant downside is the duty of the homeowner to register the foreigner. If the homeowner, who has temporarily settled a foreigner, does not register him for any reason, then a fine of 2500-5000 rubles will be imposed on him. A tourist visa requires assistance from a travel company during registration.Thus, if you want to visit friends or relatives living in Russia, it is best to go through the process of obtaining a tourist or business visa without the ties of bureaucratic procedures.