(If this seems negative--please don't take it that way--I'm rooting for you to get the house!)

Robert Kisayki understands leverage and sources of income, if you haven't ventured into the area it's some good information to digest.

If you have access to other cash, or if you want to use debt from another source that is fine.BTW - in your example you're going have a tax on the difference between your $108K sale and your $90K purchase.

Is there a "source of truth" that can outline these requirements state-by-state?

Have you checked out having your class paid for by a military education source (in some form)?

It has reasonable price appreciation and is also a good source of passive income—a profitable long-term investment.

If you just have lots of roots that are the problem, you may just have to have it cleaned out once a year - much cheaper than digging up the whole sewer.I’d invest a few hundred bucks first to find out what you really need.  

By law, if you are treating a known source of lead paint (not saying you are, and your report may indicate the opposite) you need to be licensed in lead safe practices or hire someone who is. 

One of our top lead sources at the moment.

Even though a majority of the custom homes I did wanted tankless because they were cool and green....Most tanks last far longer than the expected 10 years and the new ones are very efficient.....Did a search ...https://www.consumerreports.or...Main takeaways are: 1) they are very close to the same cost to operate per year 2) the payback time on the tankless is about 25 years.....Plus tanked heaters are a good source of water storage in the event of an event like earthquake or such.....