you do what you have to do. You will need a commercial multi no matter what so I would just go and pay ATP or ACTION MULTI RATINGS in groton ct to at least get the ticket.
As far as multi there is only BED and ASH but through networking and people I have met I have flown around 25 hours in our twin and almost double that in other peoples twins, 310, baron, commanche, 414. Get out there, meet and great etc.
It is not impossible, just alot more difficult if you do not hold an mei.
I would not completely reccomend the 100 hour timebuilding, I think it is a waste of time and money but to each is own and I respect someone who has to do what they have to do to get the job done (providing it does not interfere or backstab someone elses way of life ie. picket crossing, undercutting, pft, pfj etc)