The flare takes practice and that's about all there is to it. Just try not to foxus on one point but take in the whole picture out of the canopy and 'feel' for the runway with the aircraft in a slightly nose high attitude.
As for the cash, I've been doing 1 lesson a week for several months with no problems but I'm now going to have to cut down to probably the same as you. It's not ideal but if that's all you can afford then that is all you can afford...