RULE 506(b)
You cannot advertise at all.
You must have a prior relationship with the investor before you can take their money.
You can take funds from an unlimited number of Accredited Investors.
You can take investor funds from up to a maximum of 35 NON-ACCREDITED Investors.
Rule 506(c)
You can advertise.
You cannot take any money from non-accredited investors.
You can take money from an unlimited number of Accredited Investors.