Telling them my husband was extremely allergic to cats and would not be able to enter the unit for repairs or maintenance seemed to finally get through to them that I really wasn't going to give them an application.      

Any tips or advice on how to come up with a solid ARV, and any other tips on getting started off wholesaling in general would be appreciated as well (determining repairs, etc.)

You just haven't gone to Kinko's to make it pretty and you might not have done graphs, which I do because I like to see stuff visually.You will also need to buy it with an assement, and if the bank asks it (which it almost always will) make repairs and etcetera to secure their investment.They also might make you get some types of insurance, hold stuff in escrow.

. ($50k meaning all in price after repairs). 

Try negotiating the offer price to reflect the repair cost of the sewer line.

This is obviously a little simplistic as it doesn't account for utilities, repairs or capEx.But look at it this way: you have to pay to live somewhere. 

You save money by financing subject to repairs.

Right now, I would characterize myself in the accumulation phase, as I am essentially stock piling cash to be able to put down the down payment and have plenty left over to account for any unforeseen expenses (repairs, vacancy, etc.).My question is, where should I be keeping this cash?

One thing with Condos and Town Homes is the repairs are usually less frequent.

I remember when I was first starting, when a contractor told me about a necessary repair, I had no idea if it was going to be $500, $2000, or $10,000.