@Cameron GoeddeKind of depends on what you want to do and what your long term plan is. 

Could we deduct most of the 100k from tax and potentially get profit from the sale?

No current liens but these properties have tax deeds, not warranty deeds if that matters.thanksLevi

So, what, let's say $75,000 after vacancy, PM, taxes, and other operating costs.$75,000 / $1,000,000 = 7.5% ROI? 

I would say it depends on the area and WHO the guest is.

Price materials and labor cost will depend on how large of scope of work but a good company is going to be around 3500 a week plus cost of over head we also pay 30% tax on our income also like you guys but if you anticipate 4 week rehab well be ready for minimum of 14k in labor +14knis low end in my opinion... now I'm currently eating my lunch on a rehab from hell but it's gonna be a work of art from where it came from... this was the worst of the worst in my career water damage to all structural raised the roof on a horrible addition and did it correctly. 

A novice tax lien investor I had advised came to me one time and mentioned he worked for one of the national tax sale trainers.

Where I'm stuck is whether I should use a metering system that pre-prints a stamp onto the envelop or find a machine that can place a physical stamp onto an envelope (obviously I can't sit there all day stamping).I'm thinking from the perspective of mail that looks to "businessy" vs. mail that looks more personalized for better response/conversion rates.

Seller consents to give Buyer the right to post the property on any websites, including but not limited to the Multiple Listing Service, for the purposes of pre-marketing the property or to gauge the interest of financial partners, contractors, or assignees from Buyer’s network."

I was told that since it is a pre-1943 property, sprinklers would just have to be added to the hallways.Has anyone been through this process?