In my experience to go Ukraine it’s visa free... a train cost is very inexpensive too. You live in Moscow there is no comparison. Ukraine girls are not cheap however they do seem to place more importance to the meeting than crazy demands in my experience in general.
Entertainment is cheap and international quality restaurants are same price has cafes. Ukraine girls invest in themselves and there family’s and in my experience appreciate more. Maybe this is just my experience I don’t know. I’ve had some totally crazy demands off Belarusian women who I’ve never met. I place more importance on a future together than a date but happy to pay for a date however what Neil says about requests for £5000 is not uncommon with some girls which is about a years wage in Russia I presume for some