Have you ever tried to eat a raw tarantula? 

For that type of study, Excel is a clear winner, as it is designed to handle that type of dataset exceptionally well and professionals like myself have years of practice and memorized shortcuts doing analysis quickly in Excel.Anything that a real estate investor is likely to use it for, however, is unlikely to need the raw power of Excel and any spreadsheet program will probably serve adequately.These spreadsheets are all the same at the end of the day for any typical analysis.

Unless I'm missing something, there are several other risk factors present:First Time BuyerFirst Time BuilderCollateral currently holds little value (raw land)Net Worth of sponsor (borrower) much less than loan amountLiquidity of sponsor (borrower) after equity contribution is negligibleInexperienced business operatorNo history of profits in the same businessI don't want to crush your dreams, but this deal will be a No from every bank I've ever heard of.

So while I was not planning to buy raw land, I now find myself in a quandary.

Originally I was just going to invest in some multi families as rentals and ended up purchasing raw land zoned for multi family.

For this reason I'm not opposed to raw land, but I prefer the utility of rental real estate (which has many of the same benefits as raw land when held for a long long time) AND cashflows now :) 

The raw monthly CF before maint & vacancy is $ 275.you will have very good monthly mortgage pay down, too.So, again, if it's a super renovated, great neighborhood, with great PM, IMO, this may work.

Really going for the off-grid idea so I (and others) can unplug.Based on what I have looked into, similar lots that sell with some sort of livable structure sell for nearly 6-8x the raw land value.

Seems bank lenders will not handle raw land these days, what next?

When I'm like "here's the raw rate sheet for a 30YF and your scenario, tell me what rate you want" after someone goes under contract, that wouldn't work at a car dealership (nor would it have worked back in 2006 for mortgages).