From here, you want to begin putting a gap time in iMafia III New York playing periods. You want to avoid leveling up right now so instead you want to just receive money from your growing iMafia III New York Real Estate investments. This means you are going to have to sit and wait to accrue money to complete the next purchase.
At the same time, you are going to have to begin purchasing iMafia III New York Mafia Members. You need a single iMafia III New York Mafia Member for every three Establishments, but Undeveloped properties do not need Mafia Member support. Each iMafia III New York Mafia Member is going to be more expensive than the previous one, which means that at some point you are going to want to shift toward using iMafia III New York PlayMesh Points.
You do not want to use all of your iMafia III New York PlayMesh Points too early, and you should wait until the iMafia III New York Mafia Members are driven up in price. This will happen according to your rate of Real Estate investment, but if you are focusing on making money without leveling up you should then be faced with expensive Mafia Members at an early level.
Once iMafia III New York Mafia Members hit the nine or ten digit realm then it is reasonable to use iMafia III New York PlayMesh Points. The key thing here is to continue buying Real Estate at all times and if this requires more Mafia Members and you cannot not afford them then you should immediately shift and begin using iMafia III New York PlayMesh Points.