Seller financing can be a good tool, but generally owners want interest rates that are too high in the current market to make sense.

Here is an example of the Power and Control that HOA's have in West Palm Beach.

I would listen to the BP Podcast with Thach Nguyen on how he knocked on one hundred doors a day , five days a week for ten years and that got him one million USD per year from that ACTIVITY.Make sure you dont miss the part where he says one home seller let loose a dog on him and he had to get attention at the hospital from the bite.I would also pay attention to the Tom Hopkins Champion formula to embrace rejection on pages 110-125 in his book Mastering the Art of the Sale.Especially the part where he says , you are paid for each rejection you getThen TAKE ACTION, make the calls, follow up leads, ask for referrals, make offers, buy properties, choose your exit strategy etcin making calls i would attempt to incorporate "negative phrasing" as taught by Steve Trang, to locate buyers, sellers, private money lenders.I would also set a saving rate as taught by Anthony Robbins from book Money, master the game, becoming of an investor, taking advantage of the power of compounding I would also keep in mind the 10000hour rule from Malcom Gladwell's book, Outliers reminding myself that attaining world class takes commitment

Heritage had an online tool earlier this year which was pretty neat. 

The site has quite a few tools that can be helpful for new members.

Looking for ideas and/or suggestions on recommended real estate apps, tools, or software to utilize. 

Keep in mind the E&O carrier is not going to just role over and pay the loss, they're going to do an extensive investigation and do everything in the power to assign the loss responsibility to anyone other than it's insured. 

This will be determined by normal market supply and demand - and researched through property managers, or various online tools that all seek to understand comparable units for rent in any given neighborhood.3 - there is no "right" way to calculate return on investment (roi) - it varies with the property type and your investing goals.

There are some pretty nice discounts on many products and services offered as Perks to BP members that you might want to check out: https://www.biggerpockets.com/perks/proThe site has quite a few tools that can be helpful for new members.

It's a fantastic tool.